Finding the Fourth Proportional to 311,526.23, 429,918.84 and 175,565.88
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Solution
The fourth proportional to 311,526.23, 429,918.84 and 175,565.88 is: 242,288.04
Step by Step Solution
- Step 1: Write the proportion equation
311,526.23 : 429,918.84 = 175,565.88 : x - Step 2: Convert to fraction form
311,526.23/429,918.84 = 175,565.88/x - Step 3: Cross multiply
311,526.23x = 429,918.84 × 175,565.88 - Step 4: Simplify right side
311,526.23x = 75,479,079,473.18 - Step 5: Solve for x
x = 75,479,079,473.18/311,526.23 - Step 6: Final answer
x = 242,288.04
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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.