Home / 307,148.32-423,719.76-179,745.04

Finding the Fourth Proportional to 307,148.32, 423,719.76 and 179,745.04

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Solution

The fourth proportional to 307,148.32, 423,719.76 and 179,745.04 is: 247,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,148.32 : 423,719.76 = 179,745.04 : x
  2. Step 2: Convert to fraction form
    307,148.32/423,719.76 = 179,745.04/x
  3. Step 3: Cross multiply
    307,148.32x = 423,719.76 × 179,745.04
  4. Step 4: Simplify right side
    307,148.32x = 76,161,525,209.99
  5. Step 5: Solve for x
    x = 76,161,525,209.99/307,148.32
  6. Step 6: Final answer
    x = 247,963.35

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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.