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Finding the Fourth Proportional to 284,802.60, 426,858.30 and 126,863.40

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Solution

The fourth proportional to 284,802.60, 426,858.30 and 126,863.40 is: 190,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,802.60 : 426,858.30 = 126,863.40 : x
  2. Step 2: Convert to fraction form
    284,802.60/426,858.30 = 126,863.40/x
  3. Step 3: Cross multiply
    284,802.60x = 426,858.30 × 126,863.40
  4. Step 4: Simplify right side
    284,802.60x = 54,152,695,256.22
  5. Step 5: Solve for x
    x = 54,152,695,256.22/284,802.60
  6. Step 6: Final answer
    x = 190,141.15

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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.