Finding the Fourth Proportional to 111,248.68, 153,537.78 and 63,491.08
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Solution
The fourth proportional to 111,248.68, 153,537.78 and 63,491.08 is: 87,626.02
Step by Step Solution
- Step 1: Write the proportion equation
111,248.68 : 153,537.78 = 63,491.08 : x - Step 2: Convert to fraction form
111,248.68/153,537.78 = 63,491.08/x - Step 3: Cross multiply
111,248.68x = 153,537.78 × 63,491.08 - Step 4: Simplify right side
111,248.68x = 9,748,279,473.00 - Step 5: Solve for x
x = 9,748,279,473.00/111,248.68 - Step 6: Final answer
x = 87,626.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.