Finding the Fourth Proportional to 147,020.99, 220,518.36 and 47,154.06
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Solution
The fourth proportional to 147,020.99, 220,518.36 and 47,154.06 is: 70,726.88
Step by Step Solution
- Step 1: Write the proportion equation
147,020.99 : 220,518.36 = 47,154.06 : x - Step 2: Convert to fraction form
147,020.99/220,518.36 = 47,154.06/x - Step 3: Cross multiply
147,020.99x = 220,518.36 × 47,154.06 - Step 4: Simplify right side
147,020.99x = 10,398,335,978.54 - Step 5: Solve for x
x = 10,398,335,978.54/147,020.99 - Step 6: Final answer
x = 70,726.88
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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.