Finding the Fourth Proportional to 147,345.13, 221,016.06 and 88,197.31
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Solution
The fourth proportional to 147,345.13, 221,016.06 and 88,197.31 is: 132,294.99
Step by Step Solution
- Step 1: Write the proportion equation
147,345.13 : 221,016.06 = 88,197.31 : x - Step 2: Convert to fraction form
147,345.13/221,016.06 = 88,197.31/x - Step 3: Cross multiply
147,345.13x = 221,016.06 × 88,197.31 - Step 4: Simplify right side
147,345.13x = 19,493,021,958.80 - Step 5: Solve for x
x = 19,493,021,958.80/147,345.13 - Step 6: Final answer
x = 132,294.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.