Finding the Fourth Proportional to 790,923.42, 1,186,587.36 and 229,957.92
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Solution
The fourth proportional to 790,923.42, 1,186,587.36 and 229,957.92 is: 344,995.68
Step by Step Solution
- Step 1: Write the proportion equation
790,923.42 : 1,186,587.36 = 229,957.92 : x - Step 2: Convert to fraction form
790,923.42/1,186,587.36 = 229,957.92/x - Step 3: Cross multiply
790,923.42x = 1,186,587.36 × 229,957.92 - Step 4: Simplify right side
790,923.42x = 272,865,161,203.89 - Step 5: Solve for x
x = 272,865,161,203.89/790,923.42 - Step 6: Final answer
x = 344,995.68
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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.