Home / 456,199.40-684,234.30-140,688.20

Finding the Fourth Proportional to 456,199.40, 684,234.30 and 140,688.20

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Solution

The fourth proportional to 456,199.40, 684,234.30 and 140,688.20 is: 211,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,199.40 : 684,234.30 = 140,688.20 : x
  2. Step 2: Convert to fraction form
    456,199.40/684,234.30 = 140,688.20/x
  3. Step 3: Cross multiply
    456,199.40x = 684,234.30 × 140,688.20
  4. Step 4: Simplify right side
    456,199.40x = 96,263,692,045.26
  5. Step 5: Solve for x
    x = 96,263,692,045.26/456,199.40
  6. Step 6: Final answer
    x = 211,012.32

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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.