Finding the Fourth Proportional to 514,186.62, 771,315.93 and 159,153.90
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Solution
The fourth proportional to 514,186.62, 771,315.93 and 159,153.90 is: 238,741.99
Step by Step Solution
- Step 1: Write the proportion equation
514,186.62 : 771,315.93 = 159,153.90 : x - Step 2: Convert to fraction form
514,186.62/771,315.93 = 159,153.90/x - Step 3: Cross multiply
514,186.62x = 771,315.93 × 159,153.90 - Step 4: Simplify right side
514,186.62x = 122,757,938,391.63 - Step 5: Solve for x
x = 122,757,938,391.63/514,186.62 - Step 6: Final answer
x = 238,741.99
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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.