Home / 346,654.67-519,981.76-130,554.16

Finding the Fourth Proportional to 346,654.67, 519,981.76 and 130,554.16

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Solution

The fourth proportional to 346,654.67, 519,981.76 and 130,554.16 is: 195,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,654.67 : 519,981.76 = 130,554.16 : x
  2. Step 2: Convert to fraction form
    346,654.67/519,981.76 = 130,554.16/x
  3. Step 3: Cross multiply
    346,654.67x = 519,981.76 × 130,554.16
  4. Step 4: Simplify right side
    346,654.67x = 67,885,780,755.36
  5. Step 5: Solve for x
    x = 67,885,780,755.36/346,654.67
  6. Step 6: Final answer
    x = 195,831.15

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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.