Home / 385,575.29-532,088.39-213,476.75

Finding the Fourth Proportional to 385,575.29, 532,088.39 and 213,476.75

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Solution

The fourth proportional to 385,575.29, 532,088.39 and 213,476.75 is: 294,594.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,575.29 : 532,088.39 = 213,476.75 : x
  2. Step 2: Convert to fraction form
    385,575.29/532,088.39 = 213,476.75/x
  3. Step 3: Cross multiply
    385,575.29x = 532,088.39 × 213,476.75
  4. Step 4: Simplify right side
    385,575.29x = 113,588,498,083.18
  5. Step 5: Solve for x
    x = 113,588,498,083.18/385,575.29
  6. Step 6: Final answer
    x = 294,594.86

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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.