Finding the Fourth Proportional to 134,342.80, 201,444.64 and 39,560.65
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Solution
The fourth proportional to 134,342.80, 201,444.64 and 39,560.65 is: 59,320.49
Step by Step Solution
- Step 1: Write the proportion equation
134,342.80 : 201,444.64 = 39,560.65 : x - Step 2: Convert to fraction form
134,342.80/201,444.64 = 39,560.65/x - Step 3: Cross multiply
134,342.80x = 201,444.64 × 39,560.65 - Step 4: Simplify right side
134,342.80x = 7,969,280,294.90 - Step 5: Solve for x
x = 7,969,280,294.90/134,342.80 - Step 6: Final answer
x = 59,320.49
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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.