Finding the Fourth Proportional to 658,465.20, 987,792.12 and 203,095.08
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Solution
The fourth proportional to 658,465.20, 987,792.12 and 203,095.08 is: 304,671.71
Step by Step Solution
- Step 1: Write the proportion equation
658,465.20 : 987,792.12 = 203,095.08 : x - Step 2: Convert to fraction form
658,465.20/987,792.12 = 203,095.08/x - Step 3: Cross multiply
658,465.20x = 987,792.12 × 203,095.08 - Step 4: Simplify right side
658,465.20x = 200,615,719,634.77 - Step 5: Solve for x
x = 200,615,719,634.77/658,465.20 - Step 6: Final answer
x = 304,671.71
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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.