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Finding the Fourth Proportional to 330,051.10, 496,133.70 and 306,650.20

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Solution

The fourth proportional to 330,051.10, 496,133.70 and 306,650.20 is: 460,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,051.10 : 496,133.70 = 306,650.20 : x
  2. Step 2: Convert to fraction form
    330,051.10/496,133.70 = 306,650.20/x
  3. Step 3: Cross multiply
    330,051.10x = 496,133.70 × 306,650.20
  4. Step 4: Simplify right side
    330,051.10x = 152,139,498,331.74
  5. Step 5: Solve for x
    x = 152,139,498,331.74/330,051.10
  6. Step 6: Final answer
    x = 460,957.40

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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.