Finding the Fourth Proportional to 311,832.19, 430,302.65 and 175,899.54
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Solution
The fourth proportional to 311,832.19, 430,302.65 and 175,899.54 is: 242,726.83
Step by Step Solution
- Step 1: Write the proportion equation
311,832.19 : 430,302.65 = 175,899.54 : x - Step 2: Convert to fraction form
311,832.19/430,302.65 = 175,899.54/x - Step 3: Cross multiply
311,832.19x = 430,302.65 × 175,899.54 - Step 4: Simplify right side
311,832.19x = 75,690,038,929.92 - Step 5: Solve for x
x = 75,690,038,929.92/311,832.19 - Step 6: Final answer
x = 242,726.83
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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.