Finding the Fourth Proportional to 110,261.79, 152,246.97 and 84,727.91
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Solution
The fourth proportional to 110,261.79, 152,246.97 and 84,727.91 is: 116,990.37
Step by Step Solution
- Step 1: Write the proportion equation
110,261.79 : 152,246.97 = 84,727.91 : x - Step 2: Convert to fraction form
110,261.79/152,246.97 = 84,727.91/x - Step 3: Cross multiply
110,261.79x = 152,246.97 × 84,727.91 - Step 4: Simplify right side
110,261.79x = 12,899,567,952.55 - Step 5: Solve for x
x = 12,899,567,952.55/110,261.79 - Step 6: Final answer
x = 116,990.37
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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.