Home / 237,929.19-328,369.71-142,435.86

Finding the Fourth Proportional to 237,929.19, 328,369.71 and 142,435.86

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Solution

The fourth proportional to 237,929.19, 328,369.71 and 142,435.86 is: 196,577.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,929.19 : 328,369.71 = 142,435.86 : x
  2. Step 2: Convert to fraction form
    237,929.19/328,369.71 = 142,435.86/x
  3. Step 3: Cross multiply
    237,929.19x = 328,369.71 × 142,435.86
  4. Step 4: Simplify right side
    237,929.19x = 46,771,622,041.80
  5. Step 5: Solve for x
    x = 46,771,622,041.80/237,929.19
  6. Step 6: Final answer
    x = 196,577.91

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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.