Finding the Fourth Proportional to 319,473.30, 440,873.16 and 176,233.68
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Solution
The fourth proportional to 319,473.30, 440,873.16 and 176,233.68 is: 243,202.48
Step by Step Solution
- Step 1: Write the proportion equation
319,473.30 : 440,873.16 = 176,233.68 : x - Step 2: Convert to fraction form
319,473.30/440,873.16 = 176,233.68/x - Step 3: Cross multiply
319,473.30x = 440,873.16 × 176,233.68 - Step 4: Simplify right side
319,473.30x = 77,696,699,400.03 - Step 5: Solve for x
x = 77,696,699,400.03/319,473.30 - Step 6: Final answer
x = 243,202.48
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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.