Finding the Fourth Proportional to 198,483.33, 297,724.55 and 86,148.99
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Solution
The fourth proportional to 198,483.33, 297,724.55 and 86,148.99 is: 129,223.29
Step by Step Solution
- Step 1: Write the proportion equation
198,483.33 : 297,724.55 = 86,148.99 : x - Step 2: Convert to fraction form
198,483.33/297,724.55 = 86,148.99/x - Step 3: Cross multiply
198,483.33x = 297,724.55 × 86,148.99 - Step 4: Simplify right side
198,483.33x = 25,648,668,849.96 - Step 5: Solve for x
x = 25,648,668,849.96/198,483.33 - Step 6: Final answer
x = 129,223.29
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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.