Finding the Fourth Proportional to 313,781.13, 433,054.62 and 186,456.69
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Solution
The fourth proportional to 313,781.13, 433,054.62 and 186,456.69 is: 257,332.02
Step by Step Solution
- Step 1: Write the proportion equation
313,781.13 : 433,054.62 = 186,456.69 : x - Step 2: Convert to fraction form
313,781.13/433,054.62 = 186,456.69/x - Step 3: Cross multiply
313,781.13x = 433,054.62 × 186,456.69 - Step 4: Simplify right side
313,781.13x = 80,745,931,034.41 - Step 5: Solve for x
x = 80,745,931,034.41/313,781.13 - Step 6: Final answer
x = 257,332.02
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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.