Finding the Fourth Proportional to 495,638.50, 743,831.64 and 229,585.68
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Solution
The fourth proportional to 495,638.50, 743,831.64 and 229,585.68 is: 344,551.71
Step by Step Solution
- Step 1: Write the proportion equation
495,638.50 : 743,831.64 = 229,585.68 : x - Step 2: Convert to fraction form
495,638.50/743,831.64 = 229,585.68/x - Step 3: Cross multiply
495,638.50x = 743,831.64 × 229,585.68 - Step 4: Simplify right side
495,638.50x = 170,773,092,874.92 - Step 5: Solve for x
x = 170,773,092,874.92/495,638.50 - Step 6: Final answer
x = 344,551.71
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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.