Finding the Fourth Proportional to 94,288.20, 141,267.75 and 78,594.08
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Solution
The fourth proportional to 94,288.20, 141,267.75 and 78,594.08 is: 117,753.95
Step by Step Solution
- Step 1: Write the proportion equation
94,288.20 : 141,267.75 = 78,594.08 : x - Step 2: Convert to fraction form
94,288.20/141,267.75 = 78,594.08/x - Step 3: Cross multiply
94,288.20x = 141,267.75 × 78,594.08 - Step 4: Simplify right side
94,288.20x = 11,102,808,138.58 - Step 5: Solve for x
x = 11,102,808,138.58/94,288.20 - Step 6: Final answer
x = 117,753.95
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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.