Finding the Fourth Proportional to 465,972.30, 698,958.99 and 141,763.05
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Solution
The fourth proportional to 465,972.30, 698,958.99 and 141,763.05 is: 212,644.74
Step by Step Solution
- Step 1: Write the proportion equation
465,972.30 : 698,958.99 = 141,763.05 : x - Step 2: Convert to fraction form
465,972.30/698,958.99 = 141,763.05/x - Step 3: Cross multiply
465,972.30x = 698,958.99 × 141,763.05 - Step 4: Simplify right side
465,972.30x = 99,086,558,247.32 - Step 5: Solve for x
x = 99,086,558,247.32/465,972.30 - Step 6: Final answer
x = 212,644.74
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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.