Home / 385,619.52-532,018.08-251,250.24

Finding the Fourth Proportional to 385,619.52, 532,018.08 and 251,250.24

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Solution

The fourth proportional to 385,619.52, 532,018.08 and 251,250.24 is: 346,636.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,619.52 : 532,018.08 = 251,250.24 : x
  2. Step 2: Convert to fraction form
    385,619.52/532,018.08 = 251,250.24/x
  3. Step 3: Cross multiply
    385,619.52x = 532,018.08 × 251,250.24
  4. Step 4: Simplify right side
    385,619.52x = 133,669,670,284.34
  5. Step 5: Solve for x
    x = 133,669,670,284.34/385,619.52
  6. Step 6: Final answer
    x = 346,636.16

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1.5x scale

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.