Finding the Fourth Proportional to 318,367.23, 439,358.36 and 175,138.17
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Solution
The fourth proportional to 318,367.23, 439,358.36 and 175,138.17 is: 241,697.04
Step by Step Solution
- Step 1: Write the proportion equation
318,367.23 : 439,358.36 = 175,138.17 : x - Step 2: Convert to fraction form
318,367.23/439,358.36 = 175,138.17/x - Step 3: Cross multiply
318,367.23x = 439,358.36 × 175,138.17 - Step 4: Simplify right side
318,367.23x = 76,948,418,268.91 - Step 5: Solve for x
x = 76,948,418,268.91/318,367.23 - Step 6: Final answer
x = 241,697.04
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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.