Home / 369,917.31-554,900.57-130,002.20

Finding the Fourth Proportional to 369,917.31, 554,900.57 and 130,002.20

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Solution

The fourth proportional to 369,917.31, 554,900.57 and 130,002.20 is: 195,011.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,917.31 : 554,900.57 = 130,002.20 : x
  2. Step 2: Convert to fraction form
    369,917.31/554,900.57 = 130,002.20/x
  3. Step 3: Cross multiply
    369,917.31x = 554,900.57 × 130,002.20
  4. Step 4: Simplify right side
    369,917.31x = 72,138,291,456.74
  5. Step 5: Solve for x
    x = 72,138,291,456.74/369,917.31
  6. Step 6: Final answer
    x = 195,011.94

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1.5x scale

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.