Finding the Fourth Proportional to 623,117.80, 934,331.10 and 248,717.80
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Solution
The fourth proportional to 623,117.80, 934,331.10 and 248,717.80 is: 372,938.75
Step by Step Solution
- Step 1: Write the proportion equation
623,117.80 : 934,331.10 = 248,717.80 : x - Step 2: Convert to fraction form
623,117.80/934,331.10 = 248,717.80/x - Step 3: Cross multiply
623,117.80x = 934,331.10 × 248,717.80 - Step 4: Simplify right side
623,117.80x = 232,384,775,663.58 - Step 5: Solve for x
x = 232,384,775,663.58/623,117.80 - Step 6: Final answer
x = 372,938.75
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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.