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Finding the Fourth Proportional to 350,184.80, 521,946.02 and 330,253.92

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Solution

The fourth proportional to 350,184.80, 521,946.02 and 330,253.92 is: 492,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,184.80 : 521,946.02 = 330,253.92 : x
  2. Step 2: Convert to fraction form
    350,184.80/521,946.02 = 330,253.92/x
  3. Step 3: Cross multiply
    350,184.80x = 521,946.02 × 330,253.92
  4. Step 4: Simplify right side
    350,184.80x = 172,374,719,133.40
  5. Step 5: Solve for x
    x = 172,374,719,133.40/350,184.80
  6. Step 6: Final answer
    x = 492,239.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.