Home / 249,870.30-374,805.45-72,383.10

Finding the Fourth Proportional to 249,870.30, 374,805.45 and 72,383.10

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Solution

The fourth proportional to 249,870.30, 374,805.45 and 72,383.10 is: 108,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,870.30 : 374,805.45 = 72,383.10 : x
  2. Step 2: Convert to fraction form
    249,870.30/374,805.45 = 72,383.10/x
  3. Step 3: Cross multiply
    249,870.30x = 374,805.45 × 72,383.10
  4. Step 4: Simplify right side
    249,870.30x = 27,129,580,367.90
  5. Step 5: Solve for x
    x = 27,129,580,367.90/249,870.30
  6. Step 6: Final answer
    x = 108,574.65

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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.