Finding the Fourth Proportional to 523,568.80, 785,122.80 and 207,920.80
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Solution
The fourth proportional to 523,568.80, 785,122.80 and 207,920.80 is: 311,789.70
Step by Step Solution
- Step 1: Write the proportion equation
523,568.80 : 785,122.80 = 207,920.80 : x - Step 2: Convert to fraction form
523,568.80/785,122.80 = 207,920.80/x - Step 3: Cross multiply
523,568.80x = 785,122.80 × 207,920.80 - Step 4: Simplify right side
523,568.80x = 163,243,360,674.24 - Step 5: Solve for x
x = 163,243,360,674.24/523,568.80 - Step 6: Final answer
x = 311,789.70
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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.