Finding the Fourth Proportional to 527,812.14, 791,718.29 and 128,452.91
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Solution
The fourth proportional to 527,812.14, 791,718.29 and 128,452.91 is: 192,679.39
Step by Step Solution
- Step 1: Write the proportion equation
527,812.14 : 791,718.29 = 128,452.91 : x - Step 2: Convert to fraction form
527,812.14/791,718.29 = 128,452.91/x - Step 3: Cross multiply
527,812.14x = 791,718.29 × 128,452.91 - Step 4: Simplify right side
527,812.14x = 101,698,521,172.96 - Step 5: Solve for x
x = 101,698,521,172.96/527,812.14 - Step 6: Final answer
x = 192,679.39
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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.