Home / 389,975.23-584,589.15-165,026.22

Finding the Fourth Proportional to 389,975.23, 584,589.15 and 165,026.22

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Solution

The fourth proportional to 389,975.23, 584,589.15 and 165,026.22 is: 247,381.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,975.23 : 584,589.15 = 165,026.22 : x
  2. Step 2: Convert to fraction form
    389,975.23/584,589.15 = 165,026.22/x
  3. Step 3: Cross multiply
    389,975.23x = 584,589.15 × 165,026.22
  4. Step 4: Simplify right side
    389,975.23x = 96,472,537,677.51
  5. Step 5: Solve for x
    x = 96,472,537,677.51/389,975.23
  6. Step 6: Final answer
    x = 247,381.19

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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.