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Finding the Fourth Proportional to 545,873.40, 819,101.70 and 246,400.20

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Solution

The fourth proportional to 545,873.40, 819,101.70 and 246,400.20 is: 369,731.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,873.40 : 819,101.70 = 246,400.20 : x
  2. Step 2: Convert to fraction form
    545,873.40/819,101.70 = 246,400.20/x
  3. Step 3: Cross multiply
    545,873.40x = 819,101.70 × 246,400.20
  4. Step 4: Simplify right side
    545,873.40x = 201,826,822,700.34
  5. Step 5: Solve for x
    x = 201,826,822,700.34/545,873.40
  6. Step 6: Final answer
    x = 369,731.92

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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.