Finding the Fourth Proportional to 159,853.36, 220,581.91 and 88,228.75
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Solution
The fourth proportional to 159,853.36, 220,581.91 and 88,228.75 is: 121,746.99
Step by Step Solution
- Step 1: Write the proportion equation
159,853.36 : 220,581.91 = 88,228.75 : x - Step 2: Convert to fraction form
159,853.36/220,581.91 = 88,228.75/x - Step 3: Cross multiply
159,853.36x = 220,581.91 × 88,228.75 - Step 4: Simplify right side
159,853.36x = 19,461,666,191.91 - Step 5: Solve for x
x = 19,461,666,191.91/159,853.36 - Step 6: Final answer
x = 121,746.99
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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.