Home / 259,701.46-390,143.33-187,875.91

Finding the Fourth Proportional to 259,701.46, 390,143.33 and 187,875.91

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Solution

The fourth proportional to 259,701.46, 390,143.33 and 187,875.91 is: 282,241.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,701.46 : 390,143.33 = 187,875.91 : x
  2. Step 2: Convert to fraction form
    259,701.46/390,143.33 = 187,875.91/x
  3. Step 3: Cross multiply
    259,701.46x = 390,143.33 × 187,875.91
  4. Step 4: Simplify right side
    259,701.46x = 73,298,532,675.50
  5. Step 5: Solve for x
    x = 73,298,532,675.50/259,701.46
  6. Step 6: Final answer
    x = 282,241.51

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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.