Finding the Fourth Proportional to 134,477.38, 201,715.93 and 40,983.13
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Solution
The fourth proportional to 134,477.38, 201,715.93 and 40,983.13 is: 61,474.65
Step by Step Solution
- Step 1: Write the proportion equation
134,477.38 : 201,715.93 = 40,983.13 : x - Step 2: Convert to fraction form
134,477.38/201,715.93 = 40,983.13/x - Step 3: Cross multiply
134,477.38x = 201,715.93 × 40,983.13 - Step 4: Simplify right side
134,477.38x = 8,266,950,182.26 - Step 5: Solve for x
x = 8,266,950,182.26/134,477.38 - Step 6: Final answer
x = 61,474.65
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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.