Finding the Fourth Proportional to 130,315.77, 195,507.36 and 76,326.03
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Solution
The fourth proportional to 130,315.77, 195,507.36 and 76,326.03 is: 114,508.79
Step by Step Solution
- Step 1: Write the proportion equation
130,315.77 : 195,507.36 = 76,326.03 : x - Step 2: Convert to fraction form
130,315.77/195,507.36 = 76,326.03/x - Step 3: Cross multiply
130,315.77x = 195,507.36 × 76,326.03 - Step 4: Simplify right side
130,315.77x = 14,922,300,624.58 - Step 5: Solve for x
x = 14,922,300,624.58/130,315.77 - Step 6: Final answer
x = 114,508.79
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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.