Finding the Fourth Proportional to 298,440.75, 411,848.37 and 164,304.75
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Solution
The fourth proportional to 298,440.75, 411,848.37 and 164,304.75 is: 226,740.63
Step by Step Solution
- Step 1: Write the proportion equation
298,440.75 : 411,848.37 = 164,304.75 : x - Step 2: Convert to fraction form
298,440.75/411,848.37 = 164,304.75/x - Step 3: Cross multiply
298,440.75x = 411,848.37 × 164,304.75 - Step 4: Simplify right side
298,440.75x = 67,668,643,470.76 - Step 5: Solve for x
x = 67,668,643,470.76/298,440.75 - Step 6: Final answer
x = 226,740.63
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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.