Home / 307,929.80-424,934.82-171,959.96

Finding the Fourth Proportional to 307,929.80, 424,934.82 and 171,959.96

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Solution

The fourth proportional to 307,929.80, 424,934.82 and 171,959.96 is: 237,300.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,929.80 : 424,934.82 = 171,959.96 : x
  2. Step 2: Convert to fraction form
    307,929.80/424,934.82 = 171,959.96/x
  3. Step 3: Cross multiply
    307,929.80x = 424,934.82 × 171,959.96
  4. Step 4: Simplify right side
    307,929.80x = 73,071,774,649.81
  5. Step 5: Solve for x
    x = 73,071,774,649.81/307,929.80
  6. Step 6: Final answer
    x = 237,300.11

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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.