Finding the Fourth Proportional to 134,777.30, 202,332.35 and 84,857.30
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Solution
The fourth proportional to 134,777.30, 202,332.35 and 84,857.30 is: 127,390.72
Step by Step Solution
- Step 1: Write the proportion equation
134,777.30 : 202,332.35 = 84,857.30 : x - Step 2: Convert to fraction form
134,777.30/202,332.35 = 84,857.30/x - Step 3: Cross multiply
134,777.30x = 202,332.35 × 84,857.30 - Step 4: Simplify right side
134,777.30x = 17,169,376,923.66 - Step 5: Solve for x
x = 17,169,376,923.66/134,777.30 - Step 6: Final answer
x = 127,390.72
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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.