Finding the Fourth Proportional to 174,068.10, 261,074.12 and 47,678.79
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Solution
The fourth proportional to 174,068.10, 261,074.12 and 47,678.79 is: 71,510.50
Step by Step Solution
- Step 1: Write the proportion equation
174,068.10 : 261,074.12 = 47,678.79 : x - Step 2: Convert to fraction form
174,068.10/261,074.12 = 47,678.79/x - Step 3: Cross multiply
174,068.10x = 261,074.12 × 47,678.79 - Step 4: Simplify right side
174,068.10x = 12,447,696,836.54 - Step 5: Solve for x
x = 12,447,696,836.54/174,068.10 - Step 6: Final answer
x = 71,510.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.