Finding the Fourth Proportional to 176,781.74, 243,954.11 and 96,207.53
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Solution
The fourth proportional to 176,781.74, 243,954.11 and 96,207.53 is: 132,763.84
Step by Step Solution
- Step 1: Write the proportion equation
176,781.74 : 243,954.11 = 96,207.53 : x - Step 2: Convert to fraction form
176,781.74/243,954.11 = 96,207.53/x - Step 3: Cross multiply
176,781.74x = 243,954.11 × 96,207.53 - Step 4: Simplify right side
176,781.74x = 23,470,221,377.20 - Step 5: Solve for x
x = 23,470,221,377.20/176,781.74 - Step 6: Final answer
x = 132,763.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.