Home / 383,881.18-529,925.90-247,981.39

Finding the Fourth Proportional to 383,881.18, 529,925.90 and 247,981.39

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Solution

The fourth proportional to 383,881.18, 529,925.90 and 247,981.39 is: 342,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,881.18 : 529,925.90 = 247,981.39 : x
  2. Step 2: Convert to fraction form
    383,881.18/529,925.90 = 247,981.39/x
  3. Step 3: Cross multiply
    383,881.18x = 529,925.90 × 247,981.39
  4. Step 4: Simplify right side
    383,881.18x = 131,411,761,279.00
  5. Step 5: Solve for x
    x = 131,411,761,279.00/383,881.18
  6. Step 6: Final answer
    x = 342,324.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.