Finding the Fourth Proportional to 495,691.84, 743,119.68 and 214,997.68
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Solution
The fourth proportional to 495,691.84, 743,119.68 and 214,997.68 is: 322,315.19
Step by Step Solution
- Step 1: Write the proportion equation
495,691.84 : 743,119.68 = 214,997.68 : x - Step 2: Convert to fraction form
495,691.84/743,119.68 = 214,997.68/x - Step 3: Cross multiply
495,691.84x = 743,119.68 × 214,997.68 - Step 4: Simplify right side
495,691.84x = 159,769,007,162.34 - Step 5: Solve for x
x = 159,769,007,162.34/495,691.84 - Step 6: Final answer
x = 322,315.19
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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.