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Finding the Fourth Proportional to 286,744.42, 429,526.02 and 168,129.73

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Solution

The fourth proportional to 286,744.42, 429,526.02 and 168,129.73 is: 251,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,744.42 : 429,526.02 = 168,129.73 : x
  2. Step 2: Convert to fraction form
    286,744.42/429,526.02 = 168,129.73/x
  3. Step 3: Cross multiply
    286,744.42x = 429,526.02 × 168,129.73
  4. Step 4: Simplify right side
    286,744.42x = 72,216,093,770.57
  5. Step 5: Solve for x
    x = 72,216,093,770.57/286,744.42
  6. Step 6: Final answer
    x = 251,848.30

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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.