Finding the Fourth Proportional to 385,426.79, 577,940.99 and 169,197.02
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Solution
The fourth proportional to 385,426.79, 577,940.99 and 169,197.02 is: 253,708.08
Step by Step Solution
- Step 1: Write the proportion equation
385,426.79 : 577,940.99 = 169,197.02 : x - Step 2: Convert to fraction form
385,426.79/577,940.99 = 169,197.02/x - Step 3: Cross multiply
385,426.79x = 577,940.99 × 169,197.02 - Step 4: Simplify right side
385,426.79x = 97,785,889,508.16 - Step 5: Solve for x
x = 97,785,889,508.16/385,426.79 - Step 6: Final answer
x = 253,708.08
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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.