Finding the Fourth Proportional to 293,278.08, 439,911.72 and 93,596.88
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Solution
The fourth proportional to 293,278.08, 439,911.72 and 93,596.88 is: 140,393.60
Step by Step Solution
- Step 1: Write the proportion equation
293,278.08 : 439,911.72 = 93,596.88 : x - Step 2: Convert to fraction form
293,278.08/439,911.72 = 93,596.88/x - Step 3: Cross multiply
293,278.08x = 439,911.72 × 93,596.88 - Step 4: Simplify right side
293,278.08x = 41,174,364,467.43 - Step 5: Solve for x
x = 41,174,364,467.43/293,278.08 - Step 6: Final answer
x = 140,393.60
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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.