Finding the Fourth Proportional to 528,251.71, 792,425.87 and 149,178.09
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Solution
The fourth proportional to 528,251.71, 792,425.87 and 149,178.09 is: 223,780.78
Step by Step Solution
- Step 1: Write the proportion equation
528,251.71 : 792,425.87 = 149,178.09 : x - Step 2: Convert to fraction form
528,251.71/792,425.87 = 149,178.09/x - Step 3: Cross multiply
528,251.71x = 792,425.87 × 149,178.09 - Step 4: Simplify right side
528,251.71x = 118,212,577,753.19 - Step 5: Solve for x
x = 118,212,577,753.19/528,251.71 - Step 6: Final answer
x = 223,780.78
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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.