Finding the Fourth Proportional to 370,966.08, 511,375.02 and 290,253.44
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Solution
The fourth proportional to 370,966.08, 511,375.02 and 290,253.44 is: 400,113.02
Step by Step Solution
- Step 1: Write the proportion equation
370,966.08 : 511,375.02 = 290,253.44 : x - Step 2: Convert to fraction form
370,966.08/511,375.02 = 290,253.44/x - Step 3: Cross multiply
370,966.08x = 511,375.02 × 290,253.44 - Step 4: Simplify right side
370,966.08x = 148,428,358,685.07 - Step 5: Solve for x
x = 148,428,358,685.07/370,966.08 - Step 6: Final answer
x = 400,113.02
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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.