Home / 307,276.73-424,043.67-171,319.24

Finding the Fourth Proportional to 307,276.73, 424,043.67 and 171,319.24

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Solution

The fourth proportional to 307,276.73, 424,043.67 and 171,319.24 is: 236,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,276.73 : 424,043.67 = 171,319.24 : x
  2. Step 2: Convert to fraction form
    307,276.73/424,043.67 = 171,319.24/x
  3. Step 3: Cross multiply
    307,276.73x = 424,043.67 × 171,319.24
  4. Step 4: Simplify right side
    307,276.73x = 72,646,839,271.21
  5. Step 5: Solve for x
    x = 72,646,839,271.21/307,276.73
  6. Step 6: Final answer
    x = 236,421.55

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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.