Finding the Fourth Proportional to 134,132.48, 201,229.86 and 39,358.80
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Solution
The fourth proportional to 134,132.48, 201,229.86 and 39,358.80 is: 59,047.34
Step by Step Solution
- Step 1: Write the proportion equation
134,132.48 : 201,229.86 = 39,358.80 : x - Step 2: Convert to fraction form
134,132.48/201,229.86 = 39,358.80/x - Step 3: Cross multiply
134,132.48x = 201,229.86 × 39,358.80 - Step 4: Simplify right side
134,132.48x = 7,920,165,813.77 - Step 5: Solve for x
x = 7,920,165,813.77/134,132.48 - Step 6: Final answer
x = 59,047.34
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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.