Home / 572,264.50-858,549.84-198,287.50

Finding the Fourth Proportional to 572,264.50, 858,549.84 and 198,287.50

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Solution

The fourth proportional to 572,264.50, 858,549.84 and 198,287.50 is: 297,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,264.50 : 858,549.84 = 198,287.50 : x
  2. Step 2: Convert to fraction form
    572,264.50/858,549.84 = 198,287.50/x
  3. Step 3: Cross multiply
    572,264.50x = 858,549.84 × 198,287.50
  4. Step 4: Simplify right side
    572,264.50x = 170,239,701,399
  5. Step 5: Solve for x
    x = 170,239,701,399/572,264.50
  6. Step 6: Final answer
    x = 297,484.30

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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.