Finding the Fourth Proportional to 239,013.20, 358,551.48 and 126,750.80
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Solution
The fourth proportional to 239,013.20, 358,551.48 and 126,750.80 is: 190,143.00
Step by Step Solution
- Step 1: Write the proportion equation
239,013.20 : 358,551.48 = 126,750.80 : x - Step 2: Convert to fraction form
239,013.20/358,551.48 = 126,750.80/x - Step 3: Cross multiply
239,013.20x = 358,551.48 × 126,750.80 - Step 4: Simplify right side
239,013.20x = 45,446,686,931.18 - Step 5: Solve for x
x = 45,446,686,931.18/239,013.20 - Step 6: Final answer
x = 190,143.00
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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.