Finding the Fourth Proportional to 357,648.08, 536,331.24 and 129,889.85
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Solution
The fourth proportional to 357,648.08, 536,331.24 and 129,889.85 is: 194,783.61
Step by Step Solution
- Step 1: Write the proportion equation
357,648.08 : 536,331.24 = 129,889.85 : x - Step 2: Convert to fraction form
357,648.08/536,331.24 = 129,889.85/x - Step 3: Cross multiply
357,648.08x = 536,331.24 × 129,889.85 - Step 4: Simplify right side
357,648.08x = 69,663,981,632.26 - Step 5: Solve for x
x = 69,663,981,632.26/357,648.08 - Step 6: Final answer
x = 194,783.61
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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.