Finding the Fourth Proportional to 416,239.08, 574,409.84 and 225,252.48
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Solution
The fourth proportional to 416,239.08, 574,409.84 and 225,252.48 is: 310,848.37
Step by Step Solution
- Step 1: Write the proportion equation
416,239.08 : 574,409.84 = 225,252.48 : x - Step 2: Convert to fraction form
416,239.08/574,409.84 = 225,252.48/x - Step 3: Cross multiply
416,239.08x = 574,409.84 × 225,252.48 - Step 4: Simplify right side
416,239.08x = 129,387,240,996.40 - Step 5: Solve for x
x = 129,387,240,996.40/416,239.08 - Step 6: Final answer
x = 310,848.37
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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.