Finding the Fourth Proportional to 338,423.47, 466,979.88 and 202,407.80
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Solution
The fourth proportional to 338,423.47, 466,979.88 and 202,407.80 is: 279,296.14
Step by Step Solution
- Step 1: Write the proportion equation
338,423.47 : 466,979.88 = 202,407.80 : x - Step 2: Convert to fraction form
338,423.47/466,979.88 = 202,407.80/x - Step 3: Cross multiply
338,423.47x = 466,979.88 × 202,407.80 - Step 4: Simplify right side
338,423.47x = 94,520,368,579.19 - Step 5: Solve for x
x = 94,520,368,579.19/338,423.47 - Step 6: Final answer
x = 279,296.14
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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.