Home / 436,269.51-654,385.23-136,743.26

Finding the Fourth Proportional to 436,269.51, 654,385.23 and 136,743.26

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Solution

The fourth proportional to 436,269.51, 654,385.23 and 136,743.26 is: 205,108.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,269.51 : 654,385.23 = 136,743.26 : x
  2. Step 2: Convert to fraction form
    436,269.51/654,385.23 = 136,743.26/x
  3. Step 3: Cross multiply
    436,269.51x = 654,385.23 × 136,743.26
  4. Step 4: Simplify right side
    436,269.51x = 89,482,766,374.12
  5. Step 5: Solve for x
    x = 89,482,766,374.12/436,269.51
  6. Step 6: Final answer
    x = 205,108.92

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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.