Finding the Fourth Proportional to 407,246.74, 610,058.18 and 318,082.75
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Solution
The fourth proportional to 407,246.74, 610,058.18 and 318,082.75 is: 476,489.96
Step by Step Solution
- Step 1: Write the proportion equation
407,246.74 : 610,058.18 = 318,082.75 : x - Step 2: Convert to fraction form
407,246.74/610,058.18 = 318,082.75/x - Step 3: Cross multiply
407,246.74x = 610,058.18 × 318,082.75 - Step 4: Simplify right side
407,246.74x = 194,048,982,824.46 - Step 5: Solve for x
x = 194,048,982,824.46/407,246.74 - Step 6: Final answer
x = 476,489.96
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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.