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Finding the Fourth Proportional to 286,040.62, 429,200.35 and 117,611.55

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Solution

The fourth proportional to 286,040.62, 429,200.35 and 117,611.55 is: 176,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,040.62 : 429,200.35 = 117,611.55 : x
  2. Step 2: Convert to fraction form
    286,040.62/429,200.35 = 117,611.55/x
  3. Step 3: Cross multiply
    286,040.62x = 429,200.35 × 117,611.55
  4. Step 4: Simplify right side
    286,040.62x = 50,478,918,424.04
  5. Step 5: Solve for x
    x = 50,478,918,424.04/286,040.62
  6. Step 6: Final answer
    x = 176,474.65

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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.