Finding the Fourth Proportional to 167,947.40, 251,402.70 and 97,617.80
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Solution
The fourth proportional to 167,947.40, 251,402.70 and 97,617.80 is: 146,125.39
Step by Step Solution
- Step 1: Write the proportion equation
167,947.40 : 251,402.70 = 97,617.80 : x - Step 2: Convert to fraction form
167,947.40/251,402.70 = 97,617.80/x - Step 3: Cross multiply
167,947.40x = 251,402.70 × 97,617.80 - Step 4: Simplify right side
167,947.40x = 24,541,378,488.06 - Step 5: Solve for x
x = 24,541,378,488.06/167,947.40 - Step 6: Final answer
x = 146,125.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.