Finding the Fourth Proportional to 351,178.80, 526,768.20 and 173,713.20
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Solution
The fourth proportional to 351,178.80, 526,768.20 and 173,713.20 is: 260,569.80
Step by Step Solution
- Step 1: Write the proportion equation
351,178.80 : 526,768.20 = 173,713.20 : x - Step 2: Convert to fraction form
351,178.80/526,768.20 = 173,713.20/x - Step 3: Cross multiply
351,178.80x = 526,768.20 × 173,713.20 - Step 4: Simplify right side
351,178.80x = 91,506,589,680.24 - Step 5: Solve for x
x = 91,506,589,680.24/351,178.80 - Step 6: Final answer
x = 260,569.80
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Similar ratio
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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.