Home / 498,944.74-748,441.19-139,114.89

Finding the Fourth Proportional to 498,944.74, 748,441.19 and 139,114.89

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Solution

The fourth proportional to 498,944.74, 748,441.19 and 139,114.89 is: 208,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,944.74 : 748,441.19 = 139,114.89 : x
  2. Step 2: Convert to fraction form
    498,944.74/748,441.19 = 139,114.89/x
  3. Step 3: Cross multiply
    498,944.74x = 748,441.19 × 139,114.89
  4. Step 4: Simplify right side
    498,944.74x = 104,119,314,166.11
  5. Step 5: Solve for x
    x = 104,119,314,166.11/498,944.74
  6. Step 6: Final answer
    x = 208,679.05

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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.