Finding the Fourth Proportional to 217,248.24, 299,801.88 and 126,657.84
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Solution
The fourth proportional to 217,248.24, 299,801.88 and 126,657.84 is: 174,787.42
Step by Step Solution
- Step 1: Write the proportion equation
217,248.24 : 299,801.88 = 126,657.84 : x - Step 2: Convert to fraction form
217,248.24/299,801.88 = 126,657.84/x - Step 3: Cross multiply
217,248.24x = 299,801.88 × 126,657.84 - Step 4: Simplify right side
217,248.24x = 37,972,258,548.74 - Step 5: Solve for x
x = 37,972,258,548.74/217,248.24 - Step 6: Final answer
x = 174,787.42
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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.