Finding the Fourth Proportional to 279,251.52, 415,718.69 and 277,590.75
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Solution
The fourth proportional to 279,251.52, 415,718.69 and 277,590.75 is: 413,246.32
Step by Step Solution
- Step 1: Write the proportion equation
279,251.52 : 415,718.69 = 277,590.75 : x - Step 2: Convert to fraction form
279,251.52/415,718.69 = 277,590.75/x - Step 3: Cross multiply
279,251.52x = 415,718.69 × 277,590.75 - Step 4: Simplify right side
279,251.52x = 115,399,662,946.12 - Step 5: Solve for x
x = 115,399,662,946.12/279,251.52 - Step 6: Final answer
x = 413,246.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.