Finding the Fourth Proportional to 176,769.40, 265,154.10 and 157,415.80
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Solution
The fourth proportional to 176,769.40, 265,154.10 and 157,415.80 is: 236,123.70
Step by Step Solution
- Step 1: Write the proportion equation
176,769.40 : 265,154.10 = 157,415.80 : x - Step 2: Convert to fraction form
176,769.40/265,154.10 = 157,415.80/x - Step 3: Cross multiply
176,769.40x = 265,154.10 × 157,415.80 - Step 4: Simplify right side
176,769.40x = 41,739,444,774.78 - Step 5: Solve for x
x = 41,739,444,774.78/176,769.40 - Step 6: Final answer
x = 236,123.70
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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.