Home / 238,380.12-328,827.03-142,831.45

Finding the Fourth Proportional to 238,380.12, 328,827.03 and 142,831.45

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Solution

The fourth proportional to 238,380.12, 328,827.03 and 142,831.45 is: 197,024.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,380.12 : 328,827.03 = 142,831.45 : x
  2. Step 2: Convert to fraction form
    238,380.12/328,827.03 = 142,831.45/x
  3. Step 3: Cross multiply
    238,380.12x = 328,827.03 × 142,831.45
  4. Step 4: Simplify right side
    238,380.12x = 46,966,841,494.09
  5. Step 5: Solve for x
    x = 46,966,841,494.09/238,380.12
  6. Step 6: Final answer
    x = 197,024.99

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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.