Finding the Fourth Proportional to 217,261.08, 299,832.98 and 163,449.95
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Solution
The fourth proportional to 217,261.08, 299,832.98 and 163,449.95 is: 225,570.47
Step by Step Solution
- Step 1: Write the proportion equation
217,261.08 : 299,832.98 = 163,449.95 : x - Step 2: Convert to fraction form
217,261.08/299,832.98 = 163,449.95/x - Step 3: Cross multiply
217,261.08x = 299,832.98 × 163,449.95 - Step 4: Simplify right side
217,261.08x = 49,007,683,272.94 - Step 5: Solve for x
x = 49,007,683,272.94/217,261.08 - Step 6: Final answer
x = 225,570.47
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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.