Home / 307,178.24-423,854.55-171,182.34

Finding the Fourth Proportional to 307,178.24, 423,854.55 and 171,182.34

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Solution

The fourth proportional to 307,178.24, 423,854.55 and 171,182.34 is: 236,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,178.24 : 423,854.55 = 171,182.34 : x
  2. Step 2: Convert to fraction form
    307,178.24/423,854.55 = 171,182.34/x
  3. Step 3: Cross multiply
    307,178.24x = 423,854.55 × 171,182.34
  4. Step 4: Simplify right side
    307,178.24x = 72,556,413,688.65
  5. Step 5: Solve for x
    x = 72,556,413,688.65/307,178.24
  6. Step 6: Final answer
    x = 236,202.98

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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.