Finding the Fourth Proportional to 361,279.91, 498,464.48 and 208,306.08
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Solution
The fourth proportional to 361,279.91, 498,464.48 and 208,306.08 is: 287,403.70
Step by Step Solution
- Step 1: Write the proportion equation
361,279.91 : 498,464.48 = 208,306.08 : x - Step 2: Convert to fraction form
361,279.91/498,464.48 = 208,306.08/x - Step 3: Cross multiply
361,279.91x = 498,464.48 × 208,306.08 - Step 4: Simplify right side
361,279.91x = 103,833,182,368.80 - Step 5: Solve for x
x = 103,833,182,368.80/361,279.91 - Step 6: Final answer
x = 287,403.70
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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.