Finding the Fourth Proportional to 356,658.26, 534,982.08 and 86,788.94
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Solution
The fourth proportional to 356,658.26, 534,982.08 and 86,788.94 is: 130,182.12
Step by Step Solution
- Step 1: Write the proportion equation
356,658.26 : 534,982.08 = 86,788.94 : x - Step 2: Convert to fraction form
356,658.26/534,982.08 = 86,788.94/x - Step 3: Cross multiply
356,658.26x = 534,982.08 × 86,788.94 - Step 4: Simplify right side
356,658.26x = 46,430,527,642.20 - Step 5: Solve for x
x = 46,430,527,642.20/356,658.26 - Step 6: Final answer
x = 130,182.12
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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.