Finding the Fourth Proportional to 97,744.80, 146,617.20 and 63,919.20
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Solution
The fourth proportional to 97,744.80, 146,617.20 and 63,919.20 is: 95,878.80
Step by Step Solution
- Step 1: Write the proportion equation
97,744.80 : 146,617.20 = 63,919.20 : x - Step 2: Convert to fraction form
97,744.80/146,617.20 = 63,919.20/x - Step 3: Cross multiply
97,744.80x = 146,617.20 × 63,919.20 - Step 4: Simplify right side
97,744.80x = 9,371,654,130.24 - Step 5: Solve for x
x = 9,371,654,130.24/97,744.80 - Step 6: Final answer
x = 95,878.80
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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.