Finding the Fourth Proportional to 440,908.08, 661,347.48 and 191,590.08
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Solution
The fourth proportional to 440,908.08, 661,347.48 and 191,590.08 is: 287,378.76
Step by Step Solution
- Step 1: Write the proportion equation
440,908.08 : 661,347.48 = 191,590.08 : x - Step 2: Convert to fraction form
440,908.08/661,347.48 = 191,590.08/x - Step 3: Cross multiply
440,908.08x = 661,347.48 × 191,590.08 - Step 4: Simplify right side
440,908.08x = 126,707,616,601.00 - Step 5: Solve for x
x = 126,707,616,601.00/440,908.08 - Step 6: Final answer
x = 287,378.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.