Home / 328,767.14-493,132.21-88,877.50

Finding the Fourth Proportional to 328,767.14, 493,132.21 and 88,877.50

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Solution

The fourth proportional to 328,767.14, 493,132.21 and 88,877.50 is: 133,311.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,767.14 : 493,132.21 = 88,877.50 : x
  2. Step 2: Convert to fraction form
    328,767.14/493,132.21 = 88,877.50/x
  3. Step 3: Cross multiply
    328,767.14x = 493,132.21 × 88,877.50
  4. Step 4: Simplify right side
    328,767.14x = 43,828,357,994.28
  5. Step 5: Solve for x
    x = 43,828,357,994.28/328,767.14
  6. Step 6: Final answer
    x = 133,311.25

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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.