Finding the Fourth Proportional to 351,764.93, 527,640.09 and 85,526.84
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Solution
The fourth proportional to 351,764.93, 527,640.09 and 85,526.84 is: 128,288.48
Step by Step Solution
- Step 1: Write the proportion equation
351,764.93 : 527,640.09 = 85,526.84 : x - Step 2: Convert to fraction form
351,764.93/527,640.09 = 85,526.84/x - Step 3: Cross multiply
351,764.93x = 527,640.09 × 85,526.84 - Step 4: Simplify right side
351,764.93x = 45,127,389,555.02 - Step 5: Solve for x
x = 45,127,389,555.02/351,764.93 - Step 6: Final answer
x = 128,288.48
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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.