Finding the Fourth Proportional to 115,468.20, 173,202.30 and 102,565.80
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Solution
The fourth proportional to 115,468.20, 173,202.30 and 102,565.80 is: 153,848.70
Step by Step Solution
- Step 1: Write the proportion equation
115,468.20 : 173,202.30 = 102,565.80 : x - Step 2: Convert to fraction form
115,468.20/173,202.30 = 102,565.80/x - Step 3: Cross multiply
115,468.20x = 173,202.30 × 102,565.80 - Step 4: Simplify right side
115,468.20x = 17,764,632,461.34 - Step 5: Solve for x
x = 17,764,632,461.34/115,468.20 - Step 6: Final answer
x = 153,848.70
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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.