Home / 218,360.22-301,342.98-122,870.28

Finding the Fourth Proportional to 218,360.22, 301,342.98 and 122,870.28

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Solution

The fourth proportional to 218,360.22, 301,342.98 and 122,870.28 is: 169,564.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,360.22 : 301,342.98 = 122,870.28 : x
  2. Step 2: Convert to fraction form
    218,360.22/301,342.98 = 122,870.28/x
  3. Step 3: Cross multiply
    218,360.22x = 301,342.98 × 122,870.28
  4. Step 4: Simplify right side
    218,360.22x = 37,026,096,328.63
  5. Step 5: Solve for x
    x = 37,026,096,328.63/218,360.22
  6. Step 6: Final answer
    x = 169,564.29

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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.