Finding the Fourth Proportional to 399,452.40, 599,518.80 and 162,964.80
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Solution
The fourth proportional to 399,452.40, 599,518.80 and 162,964.80 is: 244,585.99
Step by Step Solution
- Step 1: Write the proportion equation
399,452.40 : 599,518.80 = 162,964.80 : x - Step 2: Convert to fraction form
399,452.40/599,518.80 = 162,964.80/x - Step 3: Cross multiply
399,452.40x = 599,518.80 × 162,964.80 - Step 4: Simplify right side
399,452.40x = 97,700,461,338.24 - Step 5: Solve for x
x = 97,700,461,338.24/399,452.40 - Step 6: Final answer
x = 244,585.99
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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.