Finding the Fourth Proportional to 163,058.20, 244,587.30 and 147,311.80
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Solution
The fourth proportional to 163,058.20, 244,587.30 and 147,311.80 is: 220,967.70
Step by Step Solution
- Step 1: Write the proportion equation
163,058.20 : 244,587.30 = 147,311.80 : x - Step 2: Convert to fraction form
163,058.20/244,587.30 = 147,311.80/x - Step 3: Cross multiply
163,058.20x = 244,587.30 × 147,311.80 - Step 4: Simplify right side
163,058.20x = 36,030,595,420.14 - Step 5: Solve for x
x = 36,030,595,420.14/163,058.20 - Step 6: Final answer
x = 220,967.70
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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.