Finding the Fourth Proportional to 315,234.08, 472,851.20 and 93,618.08
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Solution
The fourth proportional to 315,234.08, 472,851.20 and 93,618.08 is: 140,427.14
Step by Step Solution
- Step 1: Write the proportion equation
315,234.08 : 472,851.20 = 93,618.08 : x - Step 2: Convert to fraction form
315,234.08/472,851.20 = 93,618.08/x - Step 3: Cross multiply
315,234.08x = 472,851.20 × 93,618.08 - Step 4: Simplify right side
315,234.08x = 44,267,421,469.70 - Step 5: Solve for x
x = 44,267,421,469.70/315,234.08 - Step 6: Final answer
x = 140,427.14
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1.5x scale
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.