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Finding the Fourth Proportional to 283,751.52, 391,567.02 and 154,687.32

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Solution

The fourth proportional to 283,751.52, 391,567.02 and 154,687.32 is: 213,463.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,751.52 : 391,567.02 = 154,687.32 : x
  2. Step 2: Convert to fraction form
    283,751.52/391,567.02 = 154,687.32/x
  3. Step 3: Cross multiply
    283,751.52x = 391,567.02 × 154,687.32
  4. Step 4: Simplify right side
    283,751.52x = 60,570,452,924.19
  5. Step 5: Solve for x
    x = 60,570,452,924.19/283,751.52
  6. Step 6: Final answer
    x = 213,463.01

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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.