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Finding the Fourth Proportional to 384,337.80, 575,145.90 and 334,960.20

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Solution

The fourth proportional to 384,337.80, 575,145.90 and 334,960.20 is: 501,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,337.80 : 575,145.90 = 334,960.20 : x
  2. Step 2: Convert to fraction form
    384,337.80/575,145.90 = 334,960.20/x
  3. Step 3: Cross multiply
    384,337.80x = 575,145.90 × 334,960.20
  4. Step 4: Simplify right side
    384,337.80x = 192,650,985,693.18
  5. Step 5: Solve for x
    x = 192,650,985,693.18/384,337.80
  6. Step 6: Final answer
    x = 501,254.33

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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.