Finding the Fourth Proportional to 508,079.68, 762,120.86 and 171,356.87
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Solution
The fourth proportional to 508,079.68, 762,120.86 and 171,356.87 is: 257,035.76
Step by Step Solution
- Step 1: Write the proportion equation
508,079.68 : 762,120.86 = 171,356.87 : x - Step 2: Convert to fraction form
508,079.68/762,120.86 = 171,356.87/x - Step 3: Cross multiply
508,079.68x = 762,120.86 × 171,356.87 - Step 4: Simplify right side
508,079.68x = 130,594,646,179.83 - Step 5: Solve for x
x = 130,594,646,179.83/508,079.68 - Step 6: Final answer
x = 257,035.76
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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.