Finding the Fourth Proportional to 134,377.38, 201,631.68 and 84,480.98
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Solution
The fourth proportional to 134,377.38, 201,631.68 and 84,480.98 is: 126,762.72
Step by Step Solution
- Step 1: Write the proportion equation
134,377.38 : 201,631.68 = 84,480.98 : x - Step 2: Convert to fraction form
134,377.38/201,631.68 = 84,480.98/x - Step 3: Cross multiply
134,377.38x = 201,631.68 × 84,480.98 - Step 4: Simplify right side
134,377.38x = 17,034,041,925.45 - Step 5: Solve for x
x = 17,034,041,925.45/134,377.38 - Step 6: Final answer
x = 126,762.72
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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.