Finding the Fourth Proportional to 551,489.10, 827,233.65 and 314,855.70
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Solution
The fourth proportional to 551,489.10, 827,233.65 and 314,855.70 is: 472,283.55
Step by Step Solution
- Step 1: Write the proportion equation
551,489.10 : 827,233.65 = 314,855.70 : x - Step 2: Convert to fraction form
551,489.10/827,233.65 = 314,855.70/x - Step 3: Cross multiply
551,489.10x = 827,233.65 × 314,855.70 - Step 4: Simplify right side
551,489.10x = 260,459,229,934.31 - Step 5: Solve for x
x = 260,459,229,934.31/551,489.10 - Step 6: Final answer
x = 472,283.55
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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.