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Finding the Fourth Proportional to 218,959.51, 302,160.10 and 123,466.29

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Solution

The fourth proportional to 218,959.51, 302,160.10 and 123,466.29 is: 170,381.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,959.51 : 302,160.10 = 123,466.29 : x
  2. Step 2: Convert to fraction form
    218,959.51/302,160.10 = 123,466.29/x
  3. Step 3: Cross multiply
    218,959.51x = 302,160.10 × 123,466.29
  4. Step 4: Simplify right side
    218,959.51x = 37,306,586,533.03
  5. Step 5: Solve for x
    x = 37,306,586,533.03/218,959.51
  6. Step 6: Final answer
    x = 170,381.21

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1.5x scale

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.