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Finding the Fourth Proportional to 330,151.65, 495,227.48 and 282,912.45

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Solution

The fourth proportional to 330,151.65, 495,227.48 and 282,912.45 is: 424,368.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,151.65 : 495,227.48 = 282,912.45 : x
  2. Step 2: Convert to fraction form
    330,151.65/495,227.48 = 282,912.45/x
  3. Step 3: Cross multiply
    330,151.65x = 495,227.48 × 282,912.45
  4. Step 4: Simplify right side
    330,151.65x = 140,106,018,259.56
  5. Step 5: Solve for x
    x = 140,106,018,259.56/330,151.65
  6. Step 6: Final answer
    x = 424,368.68

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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.