Finding the Fourth Proportional to 155,294.97, 232,776.36 and 80,339.64
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Solution
The fourth proportional to 155,294.97, 232,776.36 and 80,339.64 is: 120,423.53
Step by Step Solution
- Step 1: Write the proportion equation
155,294.97 : 232,776.36 = 80,339.64 : x - Step 2: Convert to fraction form
155,294.97/232,776.36 = 80,339.64/x - Step 3: Cross multiply
155,294.97x = 232,776.36 × 80,339.64 - Step 4: Simplify right side
155,294.97x = 18,701,168,962.91 - Step 5: Solve for x
x = 18,701,168,962.91/155,294.97 - Step 6: Final answer
x = 120,423.53
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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.