Home / 460,328.10-690,492.15-144,881.70

Finding the Fourth Proportional to 460,328.10, 690,492.15 and 144,881.70

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Solution

The fourth proportional to 460,328.10, 690,492.15 and 144,881.70 is: 217,322.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,328.10 : 690,492.15 = 144,881.70 : x
  2. Step 2: Convert to fraction form
    460,328.10/690,492.15 = 144,881.70/x
  3. Step 3: Cross multiply
    460,328.10x = 690,492.15 × 144,881.70
  4. Step 4: Simplify right side
    460,328.10x = 100,039,676,528.66
  5. Step 5: Solve for x
    x = 100,039,676,528.66/460,328.10
  6. Step 6: Final answer
    x = 217,322.55

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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.