Finding the Fourth Proportional to 103,698.01, 155,545.99 and 47,522.18
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Solution
The fourth proportional to 103,698.01, 155,545.99 and 47,522.18 is: 71,282.80
Step by Step Solution
- Step 1: Write the proportion equation
103,698.01 : 155,545.99 = 47,522.18 : x - Step 2: Convert to fraction form
103,698.01/155,545.99 = 47,522.18/x - Step 3: Cross multiply
103,698.01x = 155,545.99 × 47,522.18 - Step 4: Simplify right side
103,698.01x = 7,391,884,535.06 - Step 5: Solve for x
x = 7,391,884,535.06/103,698.01 - Step 6: Final answer
x = 71,282.80
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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.