Finding the Fourth Proportional to 153,892.91, 230,920.62 and 109,203.02
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Solution
The fourth proportional to 153,892.91, 230,920.62 and 109,203.02 is: 163,862.19
Step by Step Solution
- Step 1: Write the proportion equation
153,892.91 : 230,920.62 = 109,203.02 : x - Step 2: Convert to fraction form
153,892.91/230,920.62 = 109,203.02/x - Step 3: Cross multiply
153,892.91x = 230,920.62 × 109,203.02 - Step 4: Simplify right side
153,892.91x = 25,217,229,084.27 - Step 5: Solve for x
x = 25,217,229,084.27/153,892.91 - Step 6: Final answer
x = 163,862.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.