Finding the Fourth Proportional to 107,301.70, 160,952.55 and 97,279.30
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Solution
The fourth proportional to 107,301.70, 160,952.55 and 97,279.30 is: 145,918.95
Step by Step Solution
- Step 1: Write the proportion equation
107,301.70 : 160,952.55 = 97,279.30 : x - Step 2: Convert to fraction form
107,301.70/160,952.55 = 97,279.30/x - Step 3: Cross multiply
107,301.70x = 160,952.55 × 97,279.30 - Step 4: Simplify right side
107,301.70x = 15,657,351,397.22 - Step 5: Solve for x
x = 15,657,351,397.22/107,301.70 - Step 6: Final answer
x = 145,918.95
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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.