Home / 307,247.40-423,967.16-171,271.08

Finding the Fourth Proportional to 307,247.40, 423,967.16 and 171,271.08

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Solution

The fourth proportional to 307,247.40, 423,967.16 and 171,271.08 is: 236,335.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,247.40 : 423,967.16 = 171,271.08 : x
  2. Step 2: Convert to fraction form
    307,247.40/423,967.16 = 171,271.08/x
  3. Step 3: Cross multiply
    307,247.40x = 423,967.16 × 171,271.08
  4. Step 4: Simplify right side
    307,247.40x = 72,613,313,377.73
  5. Step 5: Solve for x
    x = 72,613,313,377.73/307,247.40
  6. Step 6: Final answer
    x = 236,335.00

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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.