Finding the Fourth Proportional to 318,344.42, 439,308.08 and 175,101.39
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Solution
The fourth proportional to 318,344.42, 439,308.08 and 175,101.39 is: 241,635.95
Step by Step Solution
- Step 1: Write the proportion equation
318,344.42 : 439,308.08 = 175,101.39 : x - Step 2: Convert to fraction form
318,344.42/439,308.08 = 175,101.39/x - Step 3: Cross multiply
318,344.42x = 439,308.08 × 175,101.39 - Step 4: Simplify right side
318,344.42x = 76,923,455,446.23 - Step 5: Solve for x
x = 76,923,455,446.23/318,344.42 - Step 6: Final answer
x = 241,635.95
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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.