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Finding the Fourth Proportional to 356,392.88, 534,524.72 and 143,152.20

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Solution

The fourth proportional to 356,392.88, 534,524.72 and 143,152.20 is: 214,702.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,392.88 : 534,524.72 = 143,152.20 : x
  2. Step 2: Convert to fraction form
    356,392.88/534,524.72 = 143,152.20/x
  3. Step 3: Cross multiply
    356,392.88x = 534,524.72 × 143,152.20
  4. Step 4: Simplify right side
    356,392.88x = 76,518,389,622.38
  5. Step 5: Solve for x
    x = 76,518,389,622.38/356,392.88
  6. Step 6: Final answer
    x = 214,702.35

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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.