Home / 308,445.48-425,631.36-187,569.96

Finding the Fourth Proportional to 308,445.48, 425,631.36 and 187,569.96

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Solution

The fourth proportional to 308,445.48, 425,631.36 and 187,569.96 is: 258,832.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,445.48 : 425,631.36 = 187,569.96 : x
  2. Step 2: Convert to fraction form
    308,445.48/425,631.36 = 187,569.96/x
  3. Step 3: Cross multiply
    308,445.48x = 425,631.36 × 187,569.96
  4. Step 4: Simplify right side
    308,445.48x = 79,835,657,169.95
  5. Step 5: Solve for x
    x = 79,835,657,169.95/308,445.48
  6. Step 6: Final answer
    x = 258,832.31

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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.