Home / 307,434.15-424,261.53-171,476.73

Finding the Fourth Proportional to 307,434.15, 424,261.53 and 171,476.73

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Solution

The fourth proportional to 307,434.15, 424,261.53 and 171,476.73 is: 236,639.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,434.15 : 424,261.53 = 171,476.73 : x
  2. Step 2: Convert to fraction form
    307,434.15/424,261.53 = 171,476.73/x
  3. Step 3: Cross multiply
    307,434.15x = 424,261.53 × 171,476.73
  4. Step 4: Simplify right side
    307,434.15x = 72,750,979,829.20
  5. Step 5: Solve for x
    x = 72,750,979,829.20/307,434.15
  6. Step 6: Final answer
    x = 236,639.23

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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.