Finding the Fourth Proportional to 130,997.68, 196,332.18 and 56,029.84
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Solution
The fourth proportional to 130,997.68, 196,332.18 and 56,029.84 is: 83,974.47
Step by Step Solution
- Step 1: Write the proportion equation
130,997.68 : 196,332.18 = 56,029.84 : x - Step 2: Convert to fraction form
130,997.68/196,332.18 = 56,029.84/x - Step 3: Cross multiply
130,997.68x = 196,332.18 × 56,029.84 - Step 4: Simplify right side
130,997.68x = 11,000,460,632.25 - Step 5: Solve for x
x = 11,000,460,632.25/130,997.68 - Step 6: Final answer
x = 83,974.47
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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.