Finding the Fourth Proportional to 239,332.06, 330,271.76 and 131,902.07
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Solution
The fourth proportional to 239,332.06, 330,271.76 and 131,902.07 is: 182,021.28
Step by Step Solution
- Step 1: Write the proportion equation
239,332.06 : 330,271.76 = 131,902.07 : x - Step 2: Convert to fraction form
239,332.06/330,271.76 = 131,902.07/x - Step 3: Cross multiply
239,332.06x = 330,271.76 × 131,902.07 - Step 4: Simplify right side
239,332.06x = 43,563,527,484.94 - Step 5: Solve for x
x = 43,563,527,484.94/239,332.06 - Step 6: Final answer
x = 182,021.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.