Finding the Fourth Proportional to 351,759.93, 527,632.61 and 85,521.84
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Solution
The fourth proportional to 351,759.93, 527,632.61 and 85,521.84 is: 128,280.99
Step by Step Solution
- Step 1: Write the proportion equation
351,759.93 : 527,632.61 = 85,521.84 : x - Step 2: Convert to fraction form
351,759.93/527,632.61 = 85,521.84/x - Step 3: Cross multiply
351,759.93x = 527,632.61 × 85,521.84 - Step 4: Simplify right side
351,759.93x = 45,124,111,223.59 - Step 5: Solve for x
x = 45,124,111,223.59/351,759.93 - Step 6: Final answer
x = 128,280.99
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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.