Home / 305,069.10-457,627.02-102,666.21

Finding the Fourth Proportional to 305,069.10, 457,627.02 and 102,666.21

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Solution

The fourth proportional to 305,069.10, 457,627.02 and 102,666.21 is: 154,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,069.10 : 457,627.02 = 102,666.21 : x
  2. Step 2: Convert to fraction form
    305,069.10/457,627.02 = 102,666.21/x
  3. Step 3: Cross multiply
    305,069.10x = 457,627.02 × 102,666.21
  4. Step 4: Simplify right side
    305,069.10x = 46,982,831,736.99
  5. Step 5: Solve for x
    x = 46,982,831,736.99/305,069.10
  6. Step 6: Final answer
    x = 154,007.18

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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.