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Finding the Fourth Proportional to 289,580.80, 433,852.80 and 248,108.80

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Solution

The fourth proportional to 289,580.80, 433,852.80 and 248,108.80 is: 371,719.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,580.80 : 433,852.80 = 248,108.80 : x
  2. Step 2: Convert to fraction form
    289,580.80/433,852.80 = 248,108.80/x
  3. Step 3: Cross multiply
    289,580.80x = 433,852.80 × 248,108.80
  4. Step 4: Simplify right side
    289,580.80x = 107,642,697,584.64
  5. Step 5: Solve for x
    x = 107,642,697,584.64/289,580.80
  6. Step 6: Final answer
    x = 371,719.04

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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.