Finding the Fourth Proportional to 439,423.04, 606,397.44 and 248,430.08
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Solution
The fourth proportional to 439,423.04, 606,397.44 and 248,430.08 is: 342,829.92
Step by Step Solution
- Step 1: Write the proportion equation
439,423.04 : 606,397.44 = 248,430.08 : x - Step 2: Convert to fraction form
439,423.04/606,397.44 = 248,430.08/x - Step 3: Cross multiply
439,423.04x = 606,397.44 × 248,430.08 - Step 4: Simplify right side
439,423.04x = 150,647,364,531.00 - Step 5: Solve for x
x = 150,647,364,531.00/439,423.04 - Step 6: Final answer
x = 342,829.92
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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.