Finding the Fourth Proportional to 364,286.80, 546,430.20 and 187,139.80
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Solution
The fourth proportional to 364,286.80, 546,430.20 and 187,139.80 is: 280,709.70
Step by Step Solution
- Step 1: Write the proportion equation
364,286.80 : 546,430.20 = 187,139.80 : x - Step 2: Convert to fraction form
364,286.80/546,430.20 = 187,139.80/x - Step 3: Cross multiply
364,286.80x = 546,430.20 × 187,139.80 - Step 4: Simplify right side
364,286.80x = 102,258,838,341.96 - Step 5: Solve for x
x = 102,258,838,341.96/364,286.80 - Step 6: Final answer
x = 280,709.70
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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.