Finding the Fourth Proportional to 230,448.41, 345,672.63 and 72,689.17
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Solution
The fourth proportional to 230,448.41, 345,672.63 and 72,689.17 is: 109,033.75
Step by Step Solution
- Step 1: Write the proportion equation
230,448.41 : 345,672.63 = 72,689.17 : x - Step 2: Convert to fraction form
230,448.41/345,672.63 = 72,689.17/x - Step 3: Cross multiply
230,448.41x = 345,672.63 × 72,689.17 - Step 4: Simplify right side
230,448.41x = 25,126,654,838.05 - Step 5: Solve for x
x = 25,126,654,838.05/230,448.41 - Step 6: Final answer
x = 109,033.75
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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.