Finding the Fourth Proportional to 98,304.96, 147,505.50 and 45,751.08
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Solution
The fourth proportional to 98,304.96, 147,505.50 and 45,751.08 is: 68,648.99
Step by Step Solution
- Step 1: Write the proportion equation
98,304.96 : 147,505.50 = 45,751.08 : x - Step 2: Convert to fraction form
98,304.96/147,505.50 = 45,751.08/x - Step 3: Cross multiply
98,304.96x = 147,505.50 × 45,751.08 - Step 4: Simplify right side
98,304.96x = 6,748,535,930.94 - Step 5: Solve for x
x = 6,748,535,930.94/98,304.96 - Step 6: Final answer
x = 68,648.99
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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.