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Finding the Fourth Proportional to 288,885.84, 433,479.87 and 118,234.23

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Solution

The fourth proportional to 288,885.84, 433,479.87 and 118,234.23 is: 177,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,885.84 : 433,479.87 = 118,234.23 : x
  2. Step 2: Convert to fraction form
    288,885.84/433,479.87 = 118,234.23/x
  3. Step 3: Cross multiply
    288,885.84x = 433,479.87 × 118,234.23
  4. Step 4: Simplify right side
    288,885.84x = 51,252,158,649.95
  5. Step 5: Solve for x
    x = 51,252,158,649.95/288,885.84
  6. Step 6: Final answer
    x = 177,413.19

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1.5x scale

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.