Finding the Fourth Proportional to 108,867.77, 163,311.92 and 42,312.99
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Solution
The fourth proportional to 108,867.77, 163,311.92 and 42,312.99 is: 63,473.48
Step by Step Solution
- Step 1: Write the proportion equation
108,867.77 : 163,311.92 = 42,312.99 : x - Step 2: Convert to fraction form
108,867.77/163,311.92 = 42,312.99/x - Step 3: Cross multiply
108,867.77x = 163,311.92 × 42,312.99 - Step 4: Simplify right side
108,867.77x = 6,910,215,426.28 - Step 5: Solve for x
x = 6,910,215,426.28/108,867.77 - Step 6: Final answer
x = 63,473.48
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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.