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Finding the Fourth Proportional to 356,277.40, 534,416.10 and 119,627.80

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Solution

The fourth proportional to 356,277.40, 534,416.10 and 119,627.80 is: 179,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,277.40 : 534,416.10 = 119,627.80 : x
  2. Step 2: Convert to fraction form
    356,277.40/534,416.10 = 119,627.80/x
  3. Step 3: Cross multiply
    356,277.40x = 534,416.10 × 119,627.80
  4. Step 4: Simplify right side
    356,277.40x = 63,931,022,327.58
  5. Step 5: Solve for x
    x = 63,931,022,327.58/356,277.40
  6. Step 6: Final answer
    x = 179,441.70

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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.