Home / 290,327.04-435,417.48-103,294.80

Finding the Fourth Proportional to 290,327.04, 435,417.48 and 103,294.80

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Solution

The fourth proportional to 290,327.04, 435,417.48 and 103,294.80 is: 154,916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,327.04 : 435,417.48 = 103,294.80 : x
  2. Step 2: Convert to fraction form
    290,327.04/435,417.48 = 103,294.80/x
  3. Step 3: Cross multiply
    290,327.04x = 435,417.48 × 103,294.80
  4. Step 4: Simplify right side
    290,327.04x = 44,976,361,513.10
  5. Step 5: Solve for x
    x = 44,976,361,513.10/290,327.04
  6. Step 6: Final answer
    x = 154,916.20

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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.