Finding the Fourth Proportional to 260,177.36, 390,324.36 and 108,376.88
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Solution
The fourth proportional to 260,177.36, 390,324.36 and 108,376.88 is: 162,589.61
Step by Step Solution
- Step 1: Write the proportion equation
260,177.36 : 390,324.36 = 108,376.88 : x - Step 2: Convert to fraction form
260,177.36/390,324.36 = 108,376.88/x - Step 3: Cross multiply
260,177.36x = 390,324.36 × 108,376.88 - Step 4: Simplify right side
260,177.36x = 42,302,136,324.80 - Step 5: Solve for x
x = 42,302,136,324.80/260,177.36 - Step 6: Final answer
x = 162,589.61
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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.