Finding the Fourth Proportional to 279,036.26, 384,386.67 and 202,329.93
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Solution
The fourth proportional to 279,036.26, 384,386.67 and 202,329.93 is: 278,719.80
Step by Step Solution
- Step 1: Write the proportion equation
279,036.26 : 384,386.67 = 202,329.93 : x - Step 2: Convert to fraction form
279,036.26/384,386.67 = 202,329.93/x - Step 3: Cross multiply
279,036.26x = 384,386.67 × 202,329.93 - Step 4: Simplify right side
279,036.26x = 77,772,928,034.03 - Step 5: Solve for x
x = 77,772,928,034.03/279,036.26 - Step 6: Final answer
x = 278,719.80
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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.