Finding the Fourth Proportional to 318,988.92, 440,204.47 and 175,748.97
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Solution
The fourth proportional to 318,988.92, 440,204.47 and 175,748.97 is: 242,533.45
Step by Step Solution
- Step 1: Write the proportion equation
318,988.92 : 440,204.47 = 175,748.97 : x - Step 2: Convert to fraction form
318,988.92/440,204.47 = 175,748.97/x - Step 3: Cross multiply
318,988.92x = 440,204.47 × 175,748.97 - Step 4: Simplify right side
318,988.92x = 77,365,482,191.90 - Step 5: Solve for x
x = 77,365,482,191.90/318,988.92 - Step 6: Final answer
x = 242,533.45
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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.