Home / 369,810.27-554,747.09-129,903.32

Finding the Fourth Proportional to 369,810.27, 554,747.09 and 129,903.32

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Solution

The fourth proportional to 369,810.27, 554,747.09 and 129,903.32 is: 194,866.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,810.27 : 554,747.09 = 129,903.32 : x
  2. Step 2: Convert to fraction form
    369,810.27/554,747.09 = 129,903.32/x
  3. Step 3: Cross multiply
    369,810.27x = 554,747.09 × 129,903.32
  4. Step 4: Simplify right side
    369,810.27x = 72,063,488,751.34
  5. Step 5: Solve for x
    x = 72,063,488,751.34/369,810.27
  6. Step 6: Final answer
    x = 194,866.11

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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.