Finding the Fourth Proportional to 660,805.28, 991,248.96 and 187,527.68
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Solution
The fourth proportional to 660,805.28, 991,248.96 and 187,527.68 is: 281,303.17
Step by Step Solution
- Step 1: Write the proportion equation
660,805.28 : 991,248.96 = 187,527.68 : x - Step 2: Convert to fraction form
660,805.28/991,248.96 = 187,527.68/x - Step 3: Cross multiply
660,805.28x = 991,248.96 × 187,527.68 - Step 4: Simplify right side
660,805.28x = 185,886,617,771.21 - Step 5: Solve for x
x = 185,886,617,771.21/660,805.28 - Step 6: Final answer
x = 281,303.17
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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.