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Finding the Fourth Proportional to 602,445.38, 903,668.16 and 203,052.80

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Solution

The fourth proportional to 602,445.38, 903,668.16 and 203,052.80 is: 304,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,445.38 : 903,668.16 = 203,052.80 : x
  2. Step 2: Convert to fraction form
    602,445.38/903,668.16 = 203,052.80/x
  3. Step 3: Cross multiply
    602,445.38x = 903,668.16 × 203,052.80
  4. Step 4: Simplify right side
    602,445.38x = 183,492,350,158.85
  5. Step 5: Solve for x
    x = 183,492,350,158.85/602,445.38
  6. Step 6: Final answer
    x = 304,579.23

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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.