Home / 288,627.48-432,948.78-136,788.93

Finding the Fourth Proportional to 288,627.48, 432,948.78 and 136,788.93

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Solution

The fourth proportional to 288,627.48, 432,948.78 and 136,788.93 is: 205,186.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,627.48 : 432,948.78 = 136,788.93 : x
  2. Step 2: Convert to fraction form
    288,627.48/432,948.78 = 136,788.93/x
  3. Step 3: Cross multiply
    288,627.48x = 432,948.78 × 136,788.93
  4. Step 4: Simplify right side
    288,627.48x = 59,222,600,361.01
  5. Step 5: Solve for x
    x = 59,222,600,361.01/288,627.48
  6. Step 6: Final answer
    x = 205,186.98

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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.