Finding the Fourth Proportional to 159,808.65, 220,529.49 and 88,187.74
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Solution
The fourth proportional to 159,808.65, 220,529.49 and 88,187.74 is: 121,695.52
Step by Step Solution
- Step 1: Write the proportion equation
159,808.65 : 220,529.49 = 88,187.74 : x - Step 2: Convert to fraction form
159,808.65/220,529.49 = 88,187.74/x - Step 3: Cross multiply
159,808.65x = 220,529.49 × 88,187.74 - Step 4: Simplify right side
159,808.65x = 19,447,996,444.42 - Step 5: Solve for x
x = 19,447,996,444.42/159,808.65 - Step 6: Final answer
x = 121,695.52
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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.