Finding the Fourth Proportional to 310,248.05, 428,095.67 and 174,255.93
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Solution
The fourth proportional to 310,248.05, 428,095.67 and 174,255.93 is: 240,446.99
Step by Step Solution
- Step 1: Write the proportion equation
310,248.05 : 428,095.67 = 174,255.93 : x - Step 2: Convert to fraction form
310,248.05/428,095.67 = 174,255.93/x - Step 3: Cross multiply
310,248.05x = 428,095.67 × 174,255.93 - Step 4: Simplify right side
310,248.05x = 74,598,208,233.54 - Step 5: Solve for x
x = 74,598,208,233.54/310,248.05 - Step 6: Final answer
x = 240,446.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.