Home / 286,339.22-429,319.27-136,602.62

Finding the Fourth Proportional to 286,339.22, 429,319.27 and 136,602.62

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Solution

The fourth proportional to 286,339.22, 429,319.27 and 136,602.62 is: 204,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,339.22 : 429,319.27 = 136,602.62 : x
  2. Step 2: Convert to fraction form
    286,339.22/429,319.27 = 136,602.62/x
  3. Step 3: Cross multiply
    286,339.22x = 429,319.27 × 136,602.62
  4. Step 4: Simplify right side
    286,339.22x = 58,646,136,732.59
  5. Step 5: Solve for x
    x = 58,646,136,732.59/286,339.22
  6. Step 6: Final answer
    x = 204,813.50

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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.