Home / 389,057.07-537,032.70-227,964.27

Finding the Fourth Proportional to 389,057.07, 537,032.70 and 227,964.27

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Solution

The fourth proportional to 389,057.07, 537,032.70 and 227,964.27 is: 314,669.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,057.07 : 537,032.70 = 227,964.27 : x
  2. Step 2: Convert to fraction form
    389,057.07/537,032.70 = 227,964.27/x
  3. Step 3: Cross multiply
    389,057.07x = 537,032.70 × 227,964.27
  4. Step 4: Simplify right side
    389,057.07x = 122,424,267,421.63
  5. Step 5: Solve for x
    x = 122,424,267,421.63/389,057.07
  6. Step 6: Final answer
    x = 314,669.18

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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.