Finding the Fourth Proportional to 147,201.62, 220,803.79 and 40,587.42
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Solution
The fourth proportional to 147,201.62, 220,803.79 and 40,587.42 is: 60,881.50
Step by Step Solution
- Step 1: Write the proportion equation
147,201.62 : 220,803.79 = 40,587.42 : x - Step 2: Convert to fraction form
147,201.62/220,803.79 = 40,587.42/x - Step 3: Cross multiply
147,201.62x = 220,803.79 × 40,587.42 - Step 4: Simplify right side
147,201.62x = 8,961,855,498.06 - Step 5: Solve for x
x = 8,961,855,498.06/147,201.62 - Step 6: Final answer
x = 60,881.50
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1.5x scale
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.