Finding the Fourth Proportional to 379,334.92, 569,031.42 and 113,075.08
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Solution
The fourth proportional to 379,334.92, 569,031.42 and 113,075.08 is: 169,621.28
Step by Step Solution
- Step 1: Write the proportion equation
379,334.92 : 569,031.42 = 113,075.08 : x - Step 2: Convert to fraction form
379,334.92/569,031.42 = 113,075.08/x - Step 3: Cross multiply
379,334.92x = 569,031.42 × 113,075.08 - Step 4: Simplify right side
379,334.92x = 64,343,273,339.01 - Step 5: Solve for x
x = 64,343,273,339.01/379,334.92 - Step 6: Final answer
x = 169,621.28
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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.