Finding the Fourth Proportional to 101,934.79, 152,962.36 and 38,808.05
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Solution
The fourth proportional to 101,934.79, 152,962.36 and 38,808.05 is: 58,234.98
Step by Step Solution
- Step 1: Write the proportion equation
101,934.79 : 152,962.36 = 38,808.05 : x - Step 2: Convert to fraction form
101,934.79/152,962.36 = 38,808.05/x - Step 3: Cross multiply
101,934.79x = 152,962.36 × 38,808.05 - Step 4: Simplify right side
101,934.79x = 5,936,170,053.17 - Step 5: Solve for x
x = 5,936,170,053.17/101,934.79 - Step 6: Final answer
x = 58,234.98
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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.