Finding the Fourth Proportional to 130,447.10, 195,695.76 and 55,565.84
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Solution
The fourth proportional to 130,447.10, 195,695.76 and 55,565.84 is: 83,359.46
Step by Step Solution
- Step 1: Write the proportion equation
130,447.10 : 195,695.76 = 55,565.84 : x - Step 2: Convert to fraction form
130,447.10/195,695.76 = 55,565.84/x - Step 3: Cross multiply
130,447.10x = 195,695.76 × 55,565.84 - Step 4: Simplify right side
130,447.10x = 10,873,999,288.84 - Step 5: Solve for x
x = 10,873,999,288.84/130,447.10 - Step 6: Final answer
x = 83,359.46
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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.