Finding the Fourth Proportional to 253,664.24, 349,888.06 and 163,134.73
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Solution
The fourth proportional to 253,664.24, 349,888.06 and 163,134.73 is: 225,017.50
Step by Step Solution
- Step 1: Write the proportion equation
253,664.24 : 349,888.06 = 163,134.73 : x - Step 2: Convert to fraction form
253,664.24/349,888.06 = 163,134.73/x - Step 3: Cross multiply
253,664.24x = 349,888.06 × 163,134.73 - Step 4: Simplify right side
253,664.24x = 57,078,894,198.32 - Step 5: Solve for x
x = 57,078,894,198.32/253,664.24 - Step 6: Final answer
x = 225,017.50
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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.