Home / 307,977.60-461,966.40-223,340.70

Finding the Fourth Proportional to 307,977.60, 461,966.40 and 223,340.70

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Solution

The fourth proportional to 307,977.60, 461,966.40 and 223,340.70 is: 335,011.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,977.60 : 461,966.40 = 223,340.70 : x
  2. Step 2: Convert to fraction form
    307,977.60/461,966.40 = 223,340.70/x
  3. Step 3: Cross multiply
    307,977.60x = 461,966.40 × 223,340.70
  4. Step 4: Simplify right side
    307,977.60x = 103,175,899,152.48
  5. Step 5: Solve for x
    x = 103,175,899,152.48/307,977.60
  6. Step 6: Final answer
    x = 335,011.05

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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.