Finding the Fourth Proportional to 286,750.80, 430,115.00 and 87,063.12
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Solution
The fourth proportional to 286,750.80, 430,115.00 and 87,063.12 is: 130,591.28
Step by Step Solution
- Step 1: Write the proportion equation
286,750.80 : 430,115.00 = 87,063.12 : x - Step 2: Convert to fraction form
286,750.80/430,115.00 = 87,063.12/x - Step 3: Cross multiply
286,750.80x = 430,115.00 × 87,063.12 - Step 4: Simplify right side
286,750.80x = 37,447,153,423.48 - Step 5: Solve for x
x = 37,447,153,423.48/286,750.80 - Step 6: Final answer
x = 130,591.28
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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.