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Finding the Fourth Proportional to 330,562.86, 456,204.42 and 185,366.34

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Solution

The fourth proportional to 330,562.86, 456,204.42 and 185,366.34 is: 255,821.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,562.86 : 456,204.42 = 185,366.34 : x
  2. Step 2: Convert to fraction form
    330,562.86/456,204.42 = 185,366.34/x
  3. Step 3: Cross multiply
    330,562.86x = 456,204.42 × 185,366.34
  4. Step 4: Simplify right side
    330,562.86x = 84,564,943,627.22
  5. Step 5: Solve for x
    x = 84,564,943,627.22/330,562.86
  6. Step 6: Final answer
    x = 255,821.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.