Finding the Fourth Proportional to 97,805.20, 146,707.80 and 62,813.20
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Solution
The fourth proportional to 97,805.20, 146,707.80 and 62,813.20 is: 94,219.80
Step by Step Solution
- Step 1: Write the proportion equation
97,805.20 : 146,707.80 = 62,813.20 : x - Step 2: Convert to fraction form
97,805.20/146,707.80 = 62,813.20/x - Step 3: Cross multiply
97,805.20x = 146,707.80 × 62,813.20 - Step 4: Simplify right side
97,805.20x = 9,215,186,382.96 - Step 5: Solve for x
x = 9,215,186,382.96/97,805.20 - Step 6: Final answer
x = 94,219.80
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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.