Home / 557,947.12-836,999.53-178,779.20

Finding the Fourth Proportional to 557,947.12, 836,999.53 and 178,779.20

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Solution

The fourth proportional to 557,947.12, 836,999.53 and 178,779.20 is: 268,194.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,947.12 : 836,999.53 = 178,779.20 : x
  2. Step 2: Convert to fraction form
    557,947.12/836,999.53 = 178,779.20/x
  3. Step 3: Cross multiply
    557,947.12x = 836,999.53 × 178,779.20
  4. Step 4: Simplify right side
    557,947.12x = 149,638,106,373.78
  5. Step 5: Solve for x
    x = 149,638,106,373.78/557,947.12
  6. Step 6: Final answer
    x = 268,194.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.