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Finding the Fourth Proportional to 246,751, 370,129.53 and 86,831.71

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Solution

The fourth proportional to 246,751, 370,129.53 and 86,831.71 is: 130,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,751 : 370,129.53 = 86,831.71 : x
  2. Step 2: Convert to fraction form
    246,751/370,129.53 = 86,831.71/x
  3. Step 3: Cross multiply
    246,751x = 370,129.53 × 86,831.71
  4. Step 4: Simplify right side
    246,751x = 32,138,980,011.40
  5. Step 5: Solve for x
    x = 32,138,980,011.40/246,751
  6. Step 6: Final answer
    x = 130,248.63

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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.