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Finding the Fourth Proportional to 284,251.60, 426,377.40 and 166,056.40

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Solution

The fourth proportional to 284,251.60, 426,377.40 and 166,056.40 is: 249,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,251.60 : 426,377.40 = 166,056.40 : x
  2. Step 2: Convert to fraction form
    284,251.60/426,377.40 = 166,056.40/x
  3. Step 3: Cross multiply
    284,251.60x = 426,377.40 × 166,056.40
  4. Step 4: Simplify right side
    284,251.60x = 70,802,696,085.36
  5. Step 5: Solve for x
    x = 70,802,696,085.36/284,251.60
  6. Step 6: Final answer
    x = 249,084.60

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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.