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Finding the Fourth Proportional to 384,281.60, 576,076.80 and 251,225.60

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Solution

The fourth proportional to 384,281.60, 576,076.80 and 251,225.60 is: 376,612.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,281.60 : 576,076.80 = 251,225.60 : x
  2. Step 2: Convert to fraction form
    384,281.60/576,076.80 = 251,225.60/x
  3. Step 3: Cross multiply
    384,281.60x = 576,076.80 × 251,225.60
  4. Step 4: Simplify right side
    384,281.60x = 144,725,239,726.08
  5. Step 5: Solve for x
    x = 144,725,239,726.08/384,281.60
  6. Step 6: Final answer
    x = 376,612.46

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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.