Finding the Fourth Proportional to 236,607.11, 326,516.13 and 129,177.13
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Solution
The fourth proportional to 236,607.11, 326,516.13 and 129,177.13 is: 178,263.52
Step by Step Solution
- Step 1: Write the proportion equation
236,607.11 : 326,516.13 = 129,177.13 : x - Step 2: Convert to fraction form
236,607.11/326,516.13 = 129,177.13/x - Step 3: Cross multiply
236,607.11x = 326,516.13 × 129,177.13 - Step 4: Simplify right side
236,607.11x = 42,178,414,939.53 - Step 5: Solve for x
x = 42,178,414,939.53/236,607.11 - Step 6: Final answer
x = 178,263.52
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1.5x scale
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.