Home / 307,790.20-424,927.14-234,618.64

Finding the Fourth Proportional to 307,790.20, 424,927.14 and 234,618.64

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Solution

The fourth proportional to 307,790.20, 424,927.14 and 234,618.64 is: 323,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,790.20 : 424,927.14 = 234,618.64 : x
  2. Step 2: Convert to fraction form
    307,790.20/424,927.14 = 234,618.64/x
  3. Step 3: Cross multiply
    307,790.20x = 424,927.14 × 234,618.64
  4. Step 4: Simplify right side
    307,790.20x = 99,695,827,685.89
  5. Step 5: Solve for x
    x = 99,695,827,685.89/307,790.20
  6. Step 6: Final answer
    x = 323,908.39

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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.