Finding the Fourth Proportional to 319,187.81, 440,482.20 and 175,952.98
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Solution
The fourth proportional to 319,187.81, 440,482.20 and 175,952.98 is: 242,816.78
Step by Step Solution
- Step 1: Write the proportion equation
319,187.81 : 440,482.20 = 175,952.98 : x - Step 2: Convert to fraction form
319,187.81/440,482.20 = 175,952.98/x - Step 3: Cross multiply
319,187.81x = 440,482.20 × 175,952.98 - Step 4: Simplify right side
319,187.81x = 77,504,154,129.76 - Step 5: Solve for x
x = 77,504,154,129.76/319,187.81 - Step 6: Final answer
x = 242,816.78
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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.