Home / 389,336.88-583,724.72-239,266.92

Finding the Fourth Proportional to 389,336.88, 583,724.72 and 239,266.92

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Solution

The fourth proportional to 389,336.88, 583,724.72 and 239,266.92 is: 358,727.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,336.88 : 583,724.72 = 239,266.92 : x
  2. Step 2: Convert to fraction form
    389,336.88/583,724.72 = 239,266.92/x
  3. Step 3: Cross multiply
    389,336.88x = 583,724.72 × 239,266.92
  4. Step 4: Simplify right side
    389,336.88x = 139,666,015,882.26
  5. Step 5: Solve for x
    x = 139,666,015,882.26/389,336.88
  6. Step 6: Final answer
    x = 358,727.94

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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.