Finding the Fourth Proportional to 134,769.80, 202,154.70 and 34,929.20
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Solution
The fourth proportional to 134,769.80, 202,154.70 and 34,929.20 is: 52,393.80
Step by Step Solution
- Step 1: Write the proportion equation
134,769.80 : 202,154.70 = 34,929.20 : x - Step 2: Convert to fraction form
134,769.80/202,154.70 = 34,929.20/x - Step 3: Cross multiply
134,769.80x = 202,154.70 × 34,929.20 - Step 4: Simplify right side
134,769.80x = 7,061,101,947.24 - Step 5: Solve for x
x = 7,061,101,947.24/134,769.80 - Step 6: Final answer
x = 52,393.80
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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.