Home / 307,193.38-423,951.51-171,271.33

Finding the Fourth Proportional to 307,193.38, 423,951.51 and 171,271.33

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Solution

The fourth proportional to 307,193.38, 423,951.51 and 171,271.33 is: 236,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,193.38 : 423,951.51 = 171,271.33 : x
  2. Step 2: Convert to fraction form
    307,193.38/423,951.51 = 171,271.33/x
  3. Step 3: Cross multiply
    307,193.38x = 423,951.51 × 171,271.33
  4. Step 4: Simplify right side
    307,193.38x = 72,610,738,973.21
  5. Step 5: Solve for x
    x = 72,610,738,973.21/307,193.38
  6. Step 6: Final answer
    x = 236,368.18

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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.