Finding the Fourth Proportional to 97,630.77, 146,278.95 and 53,288.64
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Solution
The fourth proportional to 97,630.77, 146,278.95 and 53,288.64 is: 79,841.70
Step by Step Solution
- Step 1: Write the proportion equation
97,630.77 : 146,278.95 = 53,288.64 : x - Step 2: Convert to fraction form
97,630.77/146,278.95 = 53,288.64/x - Step 3: Cross multiply
97,630.77x = 146,278.95 × 53,288.64 - Step 4: Simplify right side
97,630.77x = 7,795,006,306.13 - Step 5: Solve for x
x = 7,795,006,306.13/97,630.77 - Step 6: Final answer
x = 79,841.70
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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.