Home / 218,895.55-302,071.75-123,402.29

Finding the Fourth Proportional to 218,895.55, 302,071.75 and 123,402.29

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Solution

The fourth proportional to 218,895.55, 302,071.75 and 123,402.29 is: 170,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,895.55 : 302,071.75 = 123,402.29 : x
  2. Step 2: Convert to fraction form
    218,895.55/302,071.75 = 123,402.29/x
  3. Step 3: Cross multiply
    218,895.55x = 302,071.75 × 123,402.29
  4. Step 4: Simplify right side
    218,895.55x = 37,276,343,875.44
  5. Step 5: Solve for x
    x = 37,276,343,875.44/218,895.55
  6. Step 6: Final answer
    x = 170,292.84

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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.