Finding the Fourth Proportional to 127,565.48, 176,064.74 and 84,468.96
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Solution
The fourth proportional to 127,565.48, 176,064.74 and 84,468.96 is: 116,583.31
Step by Step Solution
- Step 1: Write the proportion equation
127,565.48 : 176,064.74 = 84,468.96 : x - Step 2: Convert to fraction form
127,565.48/176,064.74 = 84,468.96/x - Step 3: Cross multiply
127,565.48x = 176,064.74 × 84,468.96 - Step 4: Simplify right side
127,565.48x = 14,872,005,058.13 - Step 5: Solve for x
x = 14,872,005,058.13/127,565.48 - Step 6: Final answer
x = 116,583.31
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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.