Finding the Fourth Proportional to 175,307.20, 263,133.60 and 86,660.80
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Solution
The fourth proportional to 175,307.20, 263,133.60 and 86,660.80 is: 130,076.62
Step by Step Solution
- Step 1: Write the proportion equation
175,307.20 : 263,133.60 = 86,660.80 : x - Step 2: Convert to fraction form
175,307.20/263,133.60 = 86,660.80/x - Step 3: Cross multiply
175,307.20x = 263,133.60 × 86,660.80 - Step 4: Simplify right side
175,307.20x = 22,803,368,282.88 - Step 5: Solve for x
x = 22,803,368,282.88/175,307.20 - Step 6: Final answer
x = 130,076.62
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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.