Finding the Fourth Proportional to 163,565.10, 245,346.84 and 43,621.79
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Solution
The fourth proportional to 163,565.10, 245,346.84 and 43,621.79 is: 65,432.46
Step by Step Solution
- Step 1: Write the proportion equation
163,565.10 : 245,346.84 = 43,621.79 : x - Step 2: Convert to fraction form
163,565.10/245,346.84 = 43,621.79/x - Step 3: Cross multiply
163,565.10x = 245,346.84 × 43,621.79 - Step 4: Simplify right side
163,565.10x = 10,702,467,104.91 - Step 5: Solve for x
x = 10,702,467,104.91/163,565.10 - Step 6: Final answer
x = 65,432.46
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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.