Finding the Fourth Proportional to 369,880.62, 510,406.11 and 226,621.19
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Solution
The fourth proportional to 369,880.62, 510,406.11 and 226,621.19 is: 312,719.38
Step by Step Solution
- Step 1: Write the proportion equation
369,880.62 : 510,406.11 = 226,621.19 : x - Step 2: Convert to fraction form
369,880.62/510,406.11 = 226,621.19/x - Step 3: Cross multiply
369,880.62x = 510,406.11 × 226,621.19 - Step 4: Simplify right side
369,880.62x = 115,668,837,479.44 - Step 5: Solve for x
x = 115,668,837,479.44/369,880.62 - Step 6: Final answer
x = 312,719.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.