Home / 261,032.09-360,192.15-159,020.55

Finding the Fourth Proportional to 261,032.09, 360,192.15 and 159,020.55

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Solution

The fourth proportional to 261,032.09, 360,192.15 and 159,020.55 is: 219,428.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,032.09 : 360,192.15 = 159,020.55 : x
  2. Step 2: Convert to fraction form
    261,032.09/360,192.15 = 159,020.55/x
  3. Step 3: Cross multiply
    261,032.09x = 360,192.15 × 159,020.55
  4. Step 4: Simplify right side
    261,032.09x = 57,277,953,798.68
  5. Step 5: Solve for x
    x = 57,277,953,798.68/261,032.09
  6. Step 6: Final answer
    x = 219,428.79

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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.