Home / 261,600.16-391,867.64-239,803.04

Finding the Fourth Proportional to 261,600.16, 391,867.64 and 239,803.04

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Solution

The fourth proportional to 261,600.16, 391,867.64 and 239,803.04 is: 359,216.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,600.16 : 391,867.64 = 239,803.04 : x
  2. Step 2: Convert to fraction form
    261,600.16/391,867.64 = 239,803.04/x
  3. Step 3: Cross multiply
    261,600.16x = 391,867.64 × 239,803.04
  4. Step 4: Simplify right side
    261,600.16x = 93,971,051,349.63
  5. Step 5: Solve for x
    x = 93,971,051,349.63/261,600.16
  6. Step 6: Final answer
    x = 359,216.34

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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.