Home / 473,929.60-710,635.20-193,129.60

Finding the Fourth Proportional to 473,929.60, 710,635.20 and 193,129.60

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Solution

The fourth proportional to 473,929.60, 710,635.20 and 193,129.60 is: 289,588.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,929.60 : 710,635.20 = 193,129.60 : x
  2. Step 2: Convert to fraction form
    473,929.60/710,635.20 = 193,129.60/x
  3. Step 3: Cross multiply
    473,929.60x = 710,635.20 × 193,129.60
  4. Step 4: Simplify right side
    473,929.60x = 137,244,691,921.92
  5. Step 5: Solve for x
    x = 137,244,691,921.92/473,929.60
  6. Step 6: Final answer
    x = 289,588.77

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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.