Finding the Fourth Proportional to 342,320.92, 513,776.62 and 132,106.48
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Solution
The fourth proportional to 342,320.92, 513,776.62 and 132,106.48 is: 198,273.66
Step by Step Solution
- Step 1: Write the proportion equation
342,320.92 : 513,776.62 = 132,106.48 : x - Step 2: Convert to fraction form
342,320.92/513,776.62 = 132,106.48/x - Step 3: Cross multiply
342,320.92x = 513,776.62 × 132,106.48 - Step 4: Simplify right side
342,320.92x = 67,873,219,655.19 - Step 5: Solve for x
x = 67,873,219,655.19/342,320.92 - Step 6: Final answer
x = 198,273.66
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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.