Home / 238,242.32-328,779.10-130,811.41

Finding the Fourth Proportional to 238,242.32, 328,779.10 and 130,811.41

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Solution

The fourth proportional to 238,242.32, 328,779.10 and 130,811.41 is: 180,522.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,242.32 : 328,779.10 = 130,811.41 : x
  2. Step 2: Convert to fraction form
    238,242.32/328,779.10 = 130,811.41/x
  3. Step 3: Cross multiply
    238,242.32x = 328,779.10 × 130,811.41
  4. Step 4: Simplify right side
    238,242.32x = 43,008,057,649.53
  5. Step 5: Solve for x
    x = 43,008,057,649.53/238,242.32
  6. Step 6: Final answer
    x = 180,522.33

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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.