Home / 369,917.81-554,901.32-130,002.69

Finding the Fourth Proportional to 369,917.81, 554,901.32 and 130,002.69

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Solution

The fourth proportional to 369,917.81, 554,901.32 and 130,002.69 is: 195,012.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,917.81 : 554,901.32 = 130,002.69 : x
  2. Step 2: Convert to fraction form
    369,917.81/554,901.32 = 130,002.69/x
  3. Step 3: Cross multiply
    369,917.81x = 554,901.32 × 130,002.69
  4. Step 4: Simplify right side
    369,917.81x = 72,138,664,284.55
  5. Step 5: Solve for x
    x = 72,138,664,284.55/369,917.81
  6. Step 6: Final answer
    x = 195,012.68

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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.