Home / 238,328.15-328,755.53-142,779.49

Finding the Fourth Proportional to 238,328.15, 328,755.53 and 142,779.49

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Solution

The fourth proportional to 238,328.15, 328,755.53 and 142,779.49 is: 196,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,328.15 : 328,755.53 = 142,779.49 : x
  2. Step 2: Convert to fraction form
    238,328.15/328,755.53 = 142,779.49/x
  3. Step 3: Cross multiply
    238,328.15x = 328,755.53 × 142,779.49
  4. Step 4: Simplify right side
    238,328.15x = 46,939,546,443.14
  5. Step 5: Solve for x
    x = 46,939,546,443.14/238,328.15
  6. Step 6: Final answer
    x = 196,953.43

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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.