Finding the Fourth Proportional to 394,750.80, 592,159.01 and 157,964.31
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Solution
The fourth proportional to 394,750.80, 592,159.01 and 157,964.31 is: 236,959.59
Step by Step Solution
- Step 1: Write the proportion equation
394,750.80 : 592,159.01 = 157,964.31 : x - Step 2: Convert to fraction form
394,750.80/592,159.01 = 157,964.31/x - Step 3: Cross multiply
394,750.80x = 592,159.01 × 157,964.31 - Step 4: Simplify right side
394,750.80x = 93,539,988,635.11 - Step 5: Solve for x
x = 93,539,988,635.11/394,750.80 - Step 6: Final answer
x = 236,959.59
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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.