Home / 369,579.24-554,412.24-129,619.80

Finding the Fourth Proportional to 369,579.24, 554,412.24 and 129,619.80

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Solution

The fourth proportional to 369,579.24, 554,412.24 and 129,619.80 is: 194,444.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,579.24 : 554,412.24 = 129,619.80 : x
  2. Step 2: Convert to fraction form
    369,579.24/554,412.24 = 129,619.80/x
  3. Step 3: Cross multiply
    369,579.24x = 554,412.24 × 129,619.80
  4. Step 4: Simplify right side
    369,579.24x = 71,862,803,666.35
  5. Step 5: Solve for x
    x = 71,862,803,666.35/369,579.24
  6. Step 6: Final answer
    x = 194,444.91

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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.