Home / 292,812.72-439,248.96-79,584

Finding the Fourth Proportional to 292,812.72, 439,248.96 and 79,584

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Solution

The fourth proportional to 292,812.72, 439,248.96 and 79,584 is: 119,384.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,812.72 : 439,248.96 = 79,584 : x
  2. Step 2: Convert to fraction form
    292,812.72/439,248.96 = 79,584/x
  3. Step 3: Cross multiply
    292,812.72x = 439,248.96 × 79,584
  4. Step 4: Simplify right side
    292,812.72x = 34,957,189,232.64
  5. Step 5: Solve for x
    x = 34,957,189,232.64/292,812.72
  6. Step 6: Final answer
    x = 119,384.12

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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.