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Finding the Fourth Proportional to 418,101.51, 575,925.08 and 337,302.80

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Solution

The fourth proportional to 418,101.51, 575,925.08 and 337,302.80 is: 464,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,101.51 : 575,925.08 = 337,302.80 : x
  2. Step 2: Convert to fraction form
    418,101.51/575,925.08 = 337,302.80/x
  3. Step 3: Cross multiply
    418,101.51x = 575,925.08 × 337,302.80
  4. Step 4: Simplify right side
    418,101.51x = 194,261,137,508.09
  5. Step 5: Solve for x
    x = 194,261,137,508.09/418,101.51
  6. Step 6: Final answer
    x = 464,626.73

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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.