Home / 289,707.10-434,560.65-102,694.30

Finding the Fourth Proportional to 289,707.10, 434,560.65 and 102,694.30

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Solution

The fourth proportional to 289,707.10, 434,560.65 and 102,694.30 is: 154,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,707.10 : 434,560.65 = 102,694.30 : x
  2. Step 2: Convert to fraction form
    289,707.10/434,560.65 = 102,694.30/x
  3. Step 3: Cross multiply
    289,707.10x = 434,560.65 × 102,694.30
  4. Step 4: Simplify right side
    289,707.10x = 44,626,901,759.30
  5. Step 5: Solve for x
    x = 44,626,901,759.30/289,707.10
  6. Step 6: Final answer
    x = 154,041.45

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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.