Home / 288,795.06-433,204.88-89,111.03

Finding the Fourth Proportional to 288,795.06, 433,204.88 and 89,111.03

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Solution

The fourth proportional to 288,795.06, 433,204.88 and 89,111.03 is: 133,670.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,795.06 : 433,204.88 = 89,111.03 : x
  2. Step 2: Convert to fraction form
    288,795.06/433,204.88 = 89,111.03/x
  3. Step 3: Cross multiply
    288,795.06x = 433,204.88 × 89,111.03
  4. Step 4: Simplify right side
    288,795.06x = 38,603,330,446.25
  5. Step 5: Solve for x
    x = 38,603,330,446.25/288,795.06
  6. Step 6: Final answer
    x = 133,670.33

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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.