Home / 288,795.55-433,205.63-89,111.52

Finding the Fourth Proportional to 288,795.55, 433,205.63 and 89,111.52

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Solution

The fourth proportional to 288,795.55, 433,205.63 and 89,111.52 is: 133,671.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,795.55 : 433,205.63 = 89,111.52 : x
  2. Step 2: Convert to fraction form
    288,795.55/433,205.63 = 89,111.52/x
  3. Step 3: Cross multiply
    288,795.55x = 433,205.63 × 89,111.52
  4. Step 4: Simplify right side
    288,795.55x = 38,603,612,161.86
  5. Step 5: Solve for x
    x = 38,603,612,161.86/288,795.55
  6. Step 6: Final answer
    x = 133,671.08

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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.