Home / 243,541.28-336,300.72-153,054.08

Finding the Fourth Proportional to 243,541.28, 336,300.72 and 153,054.08

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Solution

The fourth proportional to 243,541.28, 336,300.72 and 153,054.08 is: 211,348.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,541.28 : 336,300.72 = 153,054.08 : x
  2. Step 2: Convert to fraction form
    243,541.28/336,300.72 = 153,054.08/x
  3. Step 3: Cross multiply
    243,541.28x = 336,300.72 × 153,054.08
  4. Step 4: Simplify right side
    243,541.28x = 51,472,197,302.94
  5. Step 5: Solve for x
    x = 51,472,197,302.94/243,541.28
  6. Step 6: Final answer
    x = 211,348.96

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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.