Home / 459,088.70-688,633.05-143,545.10

Finding the Fourth Proportional to 459,088.70, 688,633.05 and 143,545.10

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Solution

The fourth proportional to 459,088.70, 688,633.05 and 143,545.10 is: 215,317.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,088.70 : 688,633.05 = 143,545.10 : x
  2. Step 2: Convert to fraction form
    459,088.70/688,633.05 = 143,545.10/x
  3. Step 3: Cross multiply
    459,088.70x = 688,633.05 × 143,545.10
  4. Step 4: Simplify right side
    459,088.70x = 98,849,900,025.56
  5. Step 5: Solve for x
    x = 98,849,900,025.56/459,088.70
  6. Step 6: Final answer
    x = 215,317.65

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Similar ratio
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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.