Finding the Fourth Proportional to 316,025.24, 436,121.70 and 188,677.08
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Solution
The fourth proportional to 316,025.24, 436,121.70 and 188,677.08 is: 260,378.47
Step by Step Solution
- Step 1: Write the proportion equation
316,025.24 : 436,121.70 = 188,677.08 : x - Step 2: Convert to fraction form
316,025.24/436,121.70 = 188,677.08/x - Step 3: Cross multiply
316,025.24x = 436,121.70 × 188,677.08 - Step 4: Simplify right side
316,025.24x = 82,286,168,880.64 - Step 5: Solve for x
x = 82,286,168,880.64/316,025.24 - Step 6: Final answer
x = 260,378.47
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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.