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Finding the Fourth Proportional to 286,284.60, 429,059.70 and 159,924.60

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Solution

The fourth proportional to 286,284.60, 429,059.70 and 159,924.60 is: 239,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,284.60 : 429,059.70 = 159,924.60 : x
  2. Step 2: Convert to fraction form
    286,284.60/429,059.70 = 159,924.60/x
  3. Step 3: Cross multiply
    286,284.60x = 429,059.70 × 159,924.60
  4. Step 4: Simplify right side
    286,284.60x = 68,617,200,898.62
  5. Step 5: Solve for x
    x = 68,617,200,898.62/286,284.60
  6. Step 6: Final answer
    x = 239,681.77

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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.