Home / 260,574.18-390,918.65-148,307.24

Finding the Fourth Proportional to 260,574.18, 390,918.65 and 148,307.24

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Solution

The fourth proportional to 260,574.18, 390,918.65 and 148,307.24 is: 222,493.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,574.18 : 390,918.65 = 148,307.24 : x
  2. Step 2: Convert to fraction form
    260,574.18/390,918.65 = 148,307.24/x
  3. Step 3: Cross multiply
    260,574.18x = 390,918.65 × 148,307.24
  4. Step 4: Simplify right side
    260,574.18x = 57,976,063,349.90
  5. Step 5: Solve for x
    x = 57,976,063,349.90/260,574.18
  6. Step 6: Final answer
    x = 222,493.51

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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.