Finding the Fourth Proportional to 332,987.63, 499,398.35 and 130,624.83
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Solution
The fourth proportional to 332,987.63, 499,398.35 and 130,624.83 is: 195,904.65
Step by Step Solution
- Step 1: Write the proportion equation
332,987.63 : 499,398.35 = 130,624.83 : x - Step 2: Convert to fraction form
332,987.63/499,398.35 = 130,624.83/x - Step 3: Cross multiply
332,987.63x = 499,398.35 × 130,624.83 - Step 4: Simplify right side
332,987.63x = 65,233,823,917.91 - Step 5: Solve for x
x = 65,233,823,917.91/332,987.63 - Step 6: Final answer
x = 195,904.65
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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.