Finding the Fourth Proportional to 97,436.64, 146,068.56 and 47,488.80
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Solution
The fourth proportional to 97,436.64, 146,068.56 and 47,488.80 is: 71,191.09
Step by Step Solution
- Step 1: Write the proportion equation
97,436.64 : 146,068.56 = 47,488.80 : x - Step 2: Convert to fraction form
97,436.64/146,068.56 = 47,488.80/x - Step 3: Cross multiply
97,436.64x = 146,068.56 × 47,488.80 - Step 4: Simplify right side
97,436.64x = 6,936,620,632.13 - Step 5: Solve for x
x = 6,936,620,632.13/97,436.64 - Step 6: Final answer
x = 71,191.09
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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.