Finding the Fourth Proportional to 527,825.97, 791,727.85 and 128,468.97
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Solution
The fourth proportional to 527,825.97, 791,727.85 and 128,468.97 is: 192,700.75
Step by Step Solution
- Step 1: Write the proportion equation
527,825.97 : 791,727.85 = 128,468.97 : x - Step 2: Convert to fraction form
527,825.97/791,727.85 = 128,468.97/x - Step 3: Cross multiply
527,825.97x = 791,727.85 × 128,468.97 - Step 4: Simplify right side
527,825.97x = 101,712,461,409.82 - Step 5: Solve for x
x = 101,712,461,409.82/527,825.97 - Step 6: Final answer
x = 192,700.75
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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.