Finding the Fourth Proportional to 318,974.16, 440,204.18 and 175,734.17
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Solution
The fourth proportional to 318,974.16, 440,204.18 and 175,734.17 is: 242,524.08
Step by Step Solution
- Step 1: Write the proportion equation
318,974.16 : 440,204.18 = 175,734.17 : x - Step 2: Convert to fraction form
318,974.16/440,204.18 = 175,734.17/x - Step 3: Cross multiply
318,974.16x = 440,204.18 × 175,734.17 - Step 4: Simplify right side
318,974.16x = 77,358,913,123.14 - Step 5: Solve for x
x = 77,358,913,123.14/318,974.16 - Step 6: Final answer
x = 242,524.08
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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.