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Finding the Fourth Proportional to 466,831.20, 700,246.80 and 151,298.40

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Solution

The fourth proportional to 466,831.20, 700,246.80 and 151,298.40 is: 226,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,831.20 : 700,246.80 = 151,298.40 : x
  2. Step 2: Convert to fraction form
    466,831.20/700,246.80 = 151,298.40/x
  3. Step 3: Cross multiply
    466,831.20x = 700,246.80 × 151,298.40
  4. Step 4: Simplify right side
    466,831.20x = 105,946,220,445.12
  5. Step 5: Solve for x
    x = 105,946,220,445.12/466,831.20
  6. Step 6: Final answer
    x = 226,947.60

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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.