Home / 456,101.40-684,152.10-306,802.20

Finding the Fourth Proportional to 456,101.40, 684,152.10 and 306,802.20

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Solution

The fourth proportional to 456,101.40, 684,152.10 and 306,802.20 is: 460,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,101.40 : 684,152.10 = 306,802.20 : x
  2. Step 2: Convert to fraction form
    456,101.40/684,152.10 = 306,802.20/x
  3. Step 3: Cross multiply
    456,101.40x = 684,152.10 × 306,802.20
  4. Step 4: Simplify right side
    456,101.40x = 209,899,369,414.62
  5. Step 5: Solve for x
    x = 209,899,369,414.62/456,101.40
  6. Step 6: Final answer
    x = 460,203.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.