Finding the Fourth Proportional to 302,352.07, 417,248.98 and 173,287.74
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Solution
The fourth proportional to 302,352.07, 417,248.98 and 173,287.74 is: 239,138.88
Step by Step Solution
- Step 1: Write the proportion equation
302,352.07 : 417,248.98 = 173,287.74 : x - Step 2: Convert to fraction form
302,352.07/417,248.98 = 173,287.74/x - Step 3: Cross multiply
302,352.07x = 417,248.98 × 173,287.74 - Step 4: Simplify right side
302,352.07x = 72,304,132,761.51 - Step 5: Solve for x
x = 72,304,132,761.51/302,352.07 - Step 6: Final answer
x = 239,138.88
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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.