Home / 307,467.90-424,306.15-171,510.62

Finding the Fourth Proportional to 307,467.90, 424,306.15 and 171,510.62

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Solution

The fourth proportional to 307,467.90, 424,306.15 and 171,510.62 is: 236,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,467.90 : 424,306.15 = 171,510.62 : x
  2. Step 2: Convert to fraction form
    307,467.90/424,306.15 = 171,510.62/x
  3. Step 3: Cross multiply
    307,467.90x = 424,306.15 × 171,510.62
  4. Step 4: Simplify right side
    307,467.90x = 72,773,008,306.01
  5. Step 5: Solve for x
    x = 72,773,008,306.01/307,467.90
  6. Step 6: Final answer
    x = 236,684.90

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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.