Home / 256,899.48-354,535.02-143,702.52

Finding the Fourth Proportional to 256,899.48, 354,535.02 and 143,702.52

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Solution

The fourth proportional to 256,899.48, 354,535.02 and 143,702.52 is: 198,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,899.48 : 354,535.02 = 143,702.52 : x
  2. Step 2: Convert to fraction form
    256,899.48/354,535.02 = 143,702.52/x
  3. Step 3: Cross multiply
    256,899.48x = 354,535.02 × 143,702.52
  4. Step 4: Simplify right side
    256,899.48x = 50,947,575,802.25
  5. Step 5: Solve for x
    x = 50,947,575,802.25/256,899.48
  6. Step 6: Final answer
    x = 198,317.16

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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.