Finding the Fourth Proportional to 247,488.12, 341,534.70 and 134,310.96
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Solution
The fourth proportional to 247,488.12, 341,534.70 and 134,310.96 is: 185,349.72
Step by Step Solution
- Step 1: Write the proportion equation
247,488.12 : 341,534.70 = 134,310.96 : x - Step 2: Convert to fraction form
247,488.12/341,534.70 = 134,310.96/x - Step 3: Cross multiply
247,488.12x = 341,534.70 × 134,310.96 - Step 4: Simplify right side
247,488.12x = 45,871,853,430.31 - Step 5: Solve for x
x = 45,871,853,430.31/247,488.12 - Step 6: Final answer
x = 185,349.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.