Finding the Fourth Proportional to 165,537.80, 248,306.70 and 155,169.80
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Solution
The fourth proportional to 165,537.80, 248,306.70 and 155,169.80 is: 232,754.70
Step by Step Solution
- Step 1: Write the proportion equation
165,537.80 : 248,306.70 = 155,169.80 : x - Step 2: Convert to fraction form
165,537.80/248,306.70 = 155,169.80/x - Step 3: Cross multiply
165,537.80x = 248,306.70 × 155,169.80 - Step 4: Simplify right side
165,537.80x = 38,529,700,977.66 - Step 5: Solve for x
x = 38,529,700,977.66/165,537.80 - Step 6: Final answer
x = 232,754.70
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1.5x scale
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.