Finding the Fourth Proportional to 149,712.80, 224,569.20 and 135,934.70
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Solution
The fourth proportional to 149,712.80, 224,569.20 and 135,934.70 is: 203,902.05
Step by Step Solution
- Step 1: Write the proportion equation
149,712.80 : 224,569.20 = 135,934.70 : x - Step 2: Convert to fraction form
149,712.80/224,569.20 = 135,934.70/x - Step 3: Cross multiply
149,712.80x = 224,569.20 × 135,934.70 - Step 4: Simplify right side
149,712.80x = 30,526,746,831.24 - Step 5: Solve for x
x = 30,526,746,831.24/149,712.80 - Step 6: Final answer
x = 203,902.05
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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.