Finding the Fourth Proportional to 162,823.80, 244,235.70 and 109,679.70
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Solution
The fourth proportional to 162,823.80, 244,235.70 and 109,679.70 is: 164,519.55
Step by Step Solution
- Step 1: Write the proportion equation
162,823.80 : 244,235.70 = 109,679.70 : x - Step 2: Convert to fraction form
162,823.80/244,235.70 = 109,679.70/x - Step 3: Cross multiply
162,823.80x = 244,235.70 × 109,679.70 - Step 4: Simplify right side
162,823.80x = 26,787,698,305.29 - Step 5: Solve for x
x = 26,787,698,305.29/162,823.80 - Step 6: Final answer
x = 164,519.55
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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.