Finding the Fourth Proportional to 753,717.36, 1,130,333.05 and 248,157.95
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Solution
The fourth proportional to 753,717.36, 1,130,333.05 and 248,157.95 is: 372,156.92
Step by Step Solution
- Step 1: Write the proportion equation
753,717.36 : 1,130,333.05 = 248,157.95 : x - Step 2: Convert to fraction form
753,717.36/1,130,333.05 = 248,157.95/x - Step 3: Cross multiply
753,717.36x = 1,130,333.05 × 248,157.95 - Step 4: Simplify right side
753,717.36x = 280,501,131,264.46 - Step 5: Solve for x
x = 280,501,131,264.46/753,717.36 - Step 6: Final answer
x = 372,156.92
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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.