Finding the Fourth Proportional to 318,984.96, 440,197.08 and 175,741.68
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Solution
The fourth proportional to 318,984.96, 440,197.08 and 175,741.68 is: 242,522.33
Step by Step Solution
- Step 1: Write the proportion equation
318,984.96 : 440,197.08 = 175,741.68 : x - Step 2: Convert to fraction form
318,984.96/440,197.08 = 175,741.68/x - Step 3: Cross multiply
318,984.96x = 440,197.08 × 175,741.68 - Step 4: Simplify right side
318,984.96x = 77,360,974,370.29 - Step 5: Solve for x
x = 77,360,974,370.29/318,984.96 - Step 6: Final answer
x = 242,522.33
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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.