Finding the Fourth Proportional to 149,708.90, 224,235.30 and 133,087.70
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Solution
The fourth proportional to 149,708.90, 224,235.30 and 133,087.70 is: 199,339.92
Step by Step Solution
- Step 1: Write the proportion equation
149,708.90 : 224,235.30 = 133,087.70 : x - Step 2: Convert to fraction form
149,708.90/224,235.30 = 133,087.70/x - Step 3: Cross multiply
149,708.90x = 224,235.30 × 133,087.70 - Step 4: Simplify right side
149,708.90x = 29,842,960,335.81 - Step 5: Solve for x
x = 29,842,960,335.81/149,708.90 - Step 6: Final answer
x = 199,339.92
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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.