Home / 493,002.72-739,577.88-155,931.34

Finding the Fourth Proportional to 493,002.72, 739,577.88 and 155,931.34

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Solution

The fourth proportional to 493,002.72, 739,577.88 and 155,931.34 is: 233,920.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,002.72 : 739,577.88 = 155,931.34 : x
  2. Step 2: Convert to fraction form
    493,002.72/739,577.88 = 155,931.34/x
  3. Step 3: Cross multiply
    493,002.72x = 739,577.88 × 155,931.34
  4. Step 4: Simplify right side
    493,002.72x = 115,323,370,879.11
  5. Step 5: Solve for x
    x = 115,323,370,879.11/493,002.72
  6. Step 6: Final answer
    x = 233,920.36

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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.