Home / 401,260.41-602,151.48-173,778.26

Finding the Fourth Proportional to 401,260.41, 602,151.48 and 173,778.26

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Solution

The fourth proportional to 401,260.41, 602,151.48 and 173,778.26 is: 260,780.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,260.41 : 602,151.48 = 173,778.26 : x
  2. Step 2: Convert to fraction form
    401,260.41/602,151.48 = 173,778.26/x
  3. Step 3: Cross multiply
    401,260.41x = 602,151.48 × 173,778.26
  4. Step 4: Simplify right side
    401,260.41x = 104,640,833,440.07
  5. Step 5: Solve for x
    x = 104,640,833,440.07/401,260.41
  6. Step 6: Final answer
    x = 260,780.36

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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.