Home / 288,330.04-432,536.40-88,667.20

Finding the Fourth Proportional to 288,330.04, 432,536.40 and 88,667.20

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Solution

The fourth proportional to 288,330.04, 432,536.40 and 88,667.20 is: 133,013.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,330.04 : 432,536.40 = 88,667.20 : x
  2. Step 2: Convert to fraction form
    288,330.04/432,536.40 = 88,667.20/x
  3. Step 3: Cross multiply
    288,330.04x = 432,536.40 × 88,667.20
  4. Step 4: Simplify right side
    288,330.04x = 38,351,791,486.08
  5. Step 5: Solve for x
    x = 38,351,791,486.08/288,330.04
  6. Step 6: Final answer
    x = 133,013.51

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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.