Finding the Fourth Proportional to 351,207.60, 526,812.76 and 84,967.68
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Solution
The fourth proportional to 351,207.60, 526,812.76 and 84,967.68 is: 127,451.86
Step by Step Solution
- Step 1: Write the proportion equation
351,207.60 : 526,812.76 = 84,967.68 : x - Step 2: Convert to fraction form
351,207.60/526,812.76 = 84,967.68/x - Step 3: Cross multiply
351,207.60x = 526,812.76 × 84,967.68 - Step 4: Simplify right side
351,207.60x = 44,762,060,093.35 - Step 5: Solve for x
x = 44,762,060,093.35/351,207.60 - Step 6: Final answer
x = 127,451.86
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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.