Finding the Fourth Proportional to 147,471.91, 221,208.27 and 97,542.70
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Solution
The fourth proportional to 147,471.91, 221,208.27 and 97,542.70 is: 146,314.32
Step by Step Solution
- Step 1: Write the proportion equation
147,471.91 : 221,208.27 = 97,542.70 : x - Step 2: Convert to fraction form
147,471.91/221,208.27 = 97,542.70/x - Step 3: Cross multiply
147,471.91x = 221,208.27 × 97,542.70 - Step 4: Simplify right side
147,471.91x = 21,577,251,918.13 - Step 5: Solve for x
x = 21,577,251,918.13/147,471.91 - Step 6: Final answer
x = 146,314.32
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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.