Finding the Fourth Proportional to 891,569.20, 1,337,349.08 and 217,654.08
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Solution
The fourth proportional to 891,569.20, 1,337,349.08 and 217,654.08 is: 326,479.97
Step by Step Solution
- Step 1: Write the proportion equation
891,569.20 : 1,337,349.08 = 217,654.08 : x - Step 2: Convert to fraction form
891,569.20/1,337,349.08 = 217,654.08/x - Step 3: Cross multiply
891,569.20x = 1,337,349.08 × 217,654.08 - Step 4: Simplify right side
891,569.20x = 291,079,483,646.25 - Step 5: Solve for x
x = 291,079,483,646.25/891,569.20 - Step 6: Final answer
x = 326,479.97
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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.