Home / 499,030.41-748,551.56-139,179.37

Finding the Fourth Proportional to 499,030.41, 748,551.56 and 139,179.37

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Solution

The fourth proportional to 499,030.41, 748,551.56 and 139,179.37 is: 208,770.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,030.41 : 748,551.56 = 139,179.37 : x
  2. Step 2: Convert to fraction form
    499,030.41/748,551.56 = 139,179.37/x
  3. Step 3: Cross multiply
    499,030.41x = 748,551.56 × 139,179.37
  4. Step 4: Simplify right side
    499,030.41x = 104,182,931,966.04
  5. Step 5: Solve for x
    x = 104,182,931,966.04/499,030.41
  6. Step 6: Final answer
    x = 208,770.71

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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.