Home / 259,707.35-390,152.16-187,881.79

Finding the Fourth Proportional to 259,707.35, 390,152.16 and 187,881.79

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Solution

The fourth proportional to 259,707.35, 390,152.16 and 187,881.79 is: 282,250.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,707.35 : 390,152.16 = 187,881.79 : x
  2. Step 2: Convert to fraction form
    259,707.35/390,152.16 = 187,881.79/x
  3. Step 3: Cross multiply
    259,707.35x = 390,152.16 × 187,881.79
  4. Step 4: Simplify right side
    259,707.35x = 73,302,486,193.17
  5. Step 5: Solve for x
    x = 73,302,486,193.17/259,707.35
  6. Step 6: Final answer
    x = 282,250.33

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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.