Finding the Fourth Proportional to 146,637.18, 202,345.83 and 82,964.70
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Solution
The fourth proportional to 146,637.18, 202,345.83 and 82,964.70 is: 114,483.66
Step by Step Solution
- Step 1: Write the proportion equation
146,637.18 : 202,345.83 = 82,964.70 : x - Step 2: Convert to fraction form
146,637.18/202,345.83 = 82,964.70/x - Step 3: Cross multiply
146,637.18x = 202,345.83 × 82,964.70 - Step 4: Simplify right side
146,637.18x = 16,787,561,082.20 - Step 5: Solve for x
x = 16,787,561,082.20/146,637.18 - Step 6: Final answer
x = 114,483.66
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1.5x scale
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.