Finding the Fourth Proportional to 753,750.10, 1,130,297.10 and 248,115.70
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Solution
The fourth proportional to 753,750.10, 1,130,297.10 and 248,115.70 is: 372,065.56
Step by Step Solution
- Step 1: Write the proportion equation
753,750.10 : 1,130,297.10 = 248,115.70 : x - Step 2: Convert to fraction form
753,750.10/1,130,297.10 = 248,115.70/x - Step 3: Cross multiply
753,750.10x = 1,130,297.10 × 248,115.70 - Step 4: Simplify right side
753,750.10x = 280,444,456,174.47 - Step 5: Solve for x
x = 280,444,456,174.47/753,750.10 - Step 6: Final answer
x = 372,065.56
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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.