Home / 459,238.27-688,620.08-206,302.50

Finding the Fourth Proportional to 459,238.27, 688,620.08 and 206,302.50

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Solution

The fourth proportional to 459,238.27, 688,620.08 and 206,302.50 is: 309,347.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,238.27 : 688,620.08 = 206,302.50 : x
  2. Step 2: Convert to fraction form
    459,238.27/688,620.08 = 206,302.50/x
  3. Step 3: Cross multiply
    459,238.27x = 688,620.08 × 206,302.50
  4. Step 4: Simplify right side
    459,238.27x = 142,064,044,054.20
  5. Step 5: Solve for x
    x = 142,064,044,054.20/459,238.27
  6. Step 6: Final answer
    x = 309,347.14

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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.