Finding the Fourth Proportional to 423,760.68, 584,794.05 and 230,172.18
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Solution
The fourth proportional to 423,760.68, 584,794.05 and 230,172.18 is: 317,639.95
Step by Step Solution
- Step 1: Write the proportion equation
423,760.68 : 584,794.05 = 230,172.18 : x - Step 2: Convert to fraction form
423,760.68/584,794.05 = 230,172.18/x - Step 3: Cross multiply
423,760.68x = 584,794.05 × 230,172.18 - Step 4: Simplify right side
423,760.68x = 134,603,321,339.53 - Step 5: Solve for x
x = 134,603,321,339.53/423,760.68 - Step 6: Final answer
x = 317,639.95
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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.