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Finding the Fourth Proportional to 371,302.04, 512,663.10 and 228,253.88

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Solution

The fourth proportional to 371,302.04, 512,663.10 and 228,253.88 is: 315,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,302.04 : 512,663.10 = 228,253.88 : x
  2. Step 2: Convert to fraction form
    371,302.04/512,663.10 = 228,253.88/x
  3. Step 3: Cross multiply
    371,302.04x = 512,663.10 × 228,253.88
  4. Step 4: Simplify right side
    371,302.04x = 117,017,341,707.83
  5. Step 5: Solve for x
    x = 117,017,341,707.83/371,302.04
  6. Step 6: Final answer
    x = 315,154.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.