Home / 307,170.48-423,897.35-171,213.17

Finding the Fourth Proportional to 307,170.48, 423,897.35 and 171,213.17

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Solution

The fourth proportional to 307,170.48, 423,897.35 and 171,213.17 is: 236,275.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,170.48 : 423,897.35 = 171,213.17 : x
  2. Step 2: Convert to fraction form
    307,170.48/423,897.35 = 171,213.17/x
  3. Step 3: Cross multiply
    307,170.48x = 423,897.35 × 171,213.17
  4. Step 4: Simplify right side
    307,170.48x = 72,576,809,048.10
  5. Step 5: Solve for x
    x = 72,576,809,048.10/307,170.48
  6. Step 6: Final answer
    x = 236,275.34

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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.