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Finding the Fourth Proportional to 385,993.08, 579,032.39 and 133,244.93

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Solution

The fourth proportional to 385,993.08, 579,032.39 and 133,244.93 is: 199,882.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,993.08 : 579,032.39 = 133,244.93 : x
  2. Step 2: Convert to fraction form
    385,993.08/579,032.39 = 133,244.93/x
  3. Step 3: Cross multiply
    385,993.08x = 579,032.39 × 133,244.93
  4. Step 4: Simplify right side
    385,993.08x = 77,153,132,053.98
  5. Step 5: Solve for x
    x = 77,153,132,053.98/385,993.08
  6. Step 6: Final answer
    x = 199,882.16

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1.5x scale

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.