Finding the Fourth Proportional to 439,446.08, 606,432.12 and 248,497.04
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Solution
The fourth proportional to 439,446.08, 606,432.12 and 248,497.04 is: 342,923.95
Step by Step Solution
- Step 1: Write the proportion equation
439,446.08 : 606,432.12 = 248,497.04 : x - Step 2: Convert to fraction form
439,446.08/606,432.12 = 248,497.04/x - Step 3: Cross multiply
439,446.08x = 606,432.12 × 248,497.04 - Step 4: Simplify right side
439,446.08x = 150,696,586,780.93 - Step 5: Solve for x
x = 150,696,586,780.93/439,446.08 - Step 6: Final answer
x = 342,923.95
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1.5x scale
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.