Finding the Fourth Proportional to 147,034.36, 202,934.16 and 83,373.28
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Solution
The fourth proportional to 147,034.36, 202,934.16 and 83,373.28 is: 115,070.29
Step by Step Solution
- Step 1: Write the proportion equation
147,034.36 : 202,934.16 = 83,373.28 : x - Step 2: Convert to fraction form
147,034.36/202,934.16 = 83,373.28/x - Step 3: Cross multiply
147,034.36x = 202,934.16 × 83,373.28 - Step 4: Simplify right side
147,034.36x = 16,919,286,543.24 - Step 5: Solve for x
x = 16,919,286,543.24/147,034.36 - Step 6: Final answer
x = 115,070.29
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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.