Finding the Fourth Proportional to 658,006.64, 986,419.20 and 236,988.08
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Solution
The fourth proportional to 658,006.64, 986,419.20 and 236,988.08 is: 355,269.35
Step by Step Solution
- Step 1: Write the proportion equation
658,006.64 : 986,419.20 = 236,988.08 : x - Step 2: Convert to fraction form
658,006.64/986,419.20 = 236,988.08/x - Step 3: Cross multiply
658,006.64x = 986,419.20 × 236,988.08 - Step 4: Simplify right side
658,006.64x = 233,769,592,283.14 - Step 5: Solve for x
x = 233,769,592,283.14/658,006.64 - Step 6: Final answer
x = 355,269.35
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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.