Finding the Fourth Proportional to 192,989.28, 266,335.47 and 106,957.68
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Solution
The fourth proportional to 192,989.28, 266,335.47 and 106,957.68 is: 147,607.28
Step by Step Solution
- Step 1: Write the proportion equation
192,989.28 : 266,335.47 = 106,957.68 : x - Step 2: Convert to fraction form
192,989.28/266,335.47 = 106,957.68/x - Step 3: Cross multiply
192,989.28x = 266,335.47 × 106,957.68 - Step 4: Simplify right side
192,989.28x = 28,486,622,641.23 - Step 5: Solve for x
x = 28,486,622,641.23/192,989.28 - Step 6: Final answer
x = 147,607.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.