Finding the Fourth Proportional to 135,305.18, 202,959.12 and 60,429.14
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Solution
The fourth proportional to 135,305.18, 202,959.12 and 60,429.14 is: 90,644.31
Step by Step Solution
- Step 1: Write the proportion equation
135,305.18 : 202,959.12 = 60,429.14 : x - Step 2: Convert to fraction form
135,305.18/202,959.12 = 60,429.14/x - Step 3: Cross multiply
135,305.18x = 202,959.12 × 60,429.14 - Step 4: Simplify right side
135,305.18x = 12,264,645,076.76 - Step 5: Solve for x
x = 12,264,645,076.76/135,305.18 - Step 6: Final answer
x = 90,644.31
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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.