Finding the Fourth Proportional to 242,700.19, 334,937.72 and 135,270.99
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Solution
The fourth proportional to 242,700.19, 334,937.72 and 135,270.99 is: 186,680.36
Step by Step Solution
- Step 1: Write the proportion equation
242,700.19 : 334,937.72 = 135,270.99 : x - Step 2: Convert to fraction form
242,700.19/334,937.72 = 135,270.99/x - Step 3: Cross multiply
242,700.19x = 334,937.72 × 135,270.99 - Step 4: Simplify right side
242,700.19x = 45,307,357,310.92 - Step 5: Solve for x
x = 45,307,357,310.92/242,700.19 - Step 6: Final answer
x = 186,680.36
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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.