Home / 286,438.14-429,002.70-136,783.26

Finding the Fourth Proportional to 286,438.14, 429,002.70 and 136,783.26

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Solution

The fourth proportional to 286,438.14, 429,002.70 and 136,783.26 is: 204,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,438.14 : 429,002.70 = 136,783.26 : x
  2. Step 2: Convert to fraction form
    286,438.14/429,002.70 = 136,783.26/x
  3. Step 3: Cross multiply
    286,438.14x = 429,002.70 × 136,783.26
  4. Step 4: Simplify right side
    286,438.14x = 58,680,387,854.80
  5. Step 5: Solve for x
    x = 58,680,387,854.80/286,438.14
  6. Step 6: Final answer
    x = 204,862.34

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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.