Home / 385,424.52-531,822.39-242,082.47

Finding the Fourth Proportional to 385,424.52, 531,822.39 and 242,082.47

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Solution

The fourth proportional to 385,424.52, 531,822.39 and 242,082.47 is: 334,033.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,424.52 : 531,822.39 = 242,082.47 : x
  2. Step 2: Convert to fraction form
    385,424.52/531,822.39 = 242,082.47/x
  3. Step 3: Cross multiply
    385,424.52x = 531,822.39 × 242,082.47
  4. Step 4: Simplify right side
    385,424.52x = 128,744,877,048.15
  5. Step 5: Solve for x
    x = 128,744,877,048.15/385,424.52
  6. Step 6: Final answer
    x = 334,033.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.