Home / 307,301.55-423,925.38-205,352.04

Finding the Fourth Proportional to 307,301.55, 423,925.38 and 205,352.04

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Solution

The fourth proportional to 307,301.55, 423,925.38 and 205,352.04 is: 283,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,301.55 : 423,925.38 = 205,352.04 : x
  2. Step 2: Convert to fraction form
    307,301.55/423,925.38 = 205,352.04/x
  3. Step 3: Cross multiply
    307,301.55x = 423,925.38 × 205,352.04
  4. Step 4: Simplify right side
    307,301.55x = 87,053,943,180.50
  5. Step 5: Solve for x
    x = 87,053,943,180.50/307,301.55
  6. Step 6: Final answer
    x = 283,285.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.