Home / 379,828.74-524,142.45-207,712.74

Finding the Fourth Proportional to 379,828.74, 524,142.45 and 207,712.74

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Solution

The fourth proportional to 379,828.74, 524,142.45 and 207,712.74 is: 286,631.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,828.74 : 524,142.45 = 207,712.74 : x
  2. Step 2: Convert to fraction form
    379,828.74/524,142.45 = 207,712.74/x
  3. Step 3: Cross multiply
    379,828.74x = 524,142.45 × 207,712.74
  4. Step 4: Simplify right side
    379,828.74x = 108,871,063,253.20
  5. Step 5: Solve for x
    x = 108,871,063,253.20/379,828.74
  6. Step 6: Final answer
    x = 286,631.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.