Finding the Fourth Proportional to 514,362.84, 771,170.40 and 214,929.12
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Solution
The fourth proportional to 514,362.84, 771,170.40 and 214,929.12 is: 322,237.46
Step by Step Solution
- Step 1: Write the proportion equation
514,362.84 : 771,170.40 = 214,929.12 : x - Step 2: Convert to fraction form
514,362.84/771,170.40 = 214,929.12/x - Step 3: Cross multiply
514,362.84x = 771,170.40 × 214,929.12 - Step 4: Simplify right side
514,362.84x = 165,746,975,442.05 - Step 5: Solve for x
x = 165,746,975,442.05/514,362.84 - Step 6: Final answer
x = 322,237.46
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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.