Finding the Fourth Proportional to 236,945.68, 355,480.76 and 85,158.08
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Solution
The fourth proportional to 236,945.68, 355,480.76 and 85,158.08 is: 127,759.49
Step by Step Solution
- Step 1: Write the proportion equation
236,945.68 : 355,480.76 = 85,158.08 : x - Step 2: Convert to fraction form
236,945.68/355,480.76 = 85,158.08/x - Step 3: Cross multiply
236,945.68x = 355,480.76 × 85,158.08 - Step 4: Simplify right side
236,945.68x = 30,272,058,998.54 - Step 5: Solve for x
x = 30,272,058,998.54/236,945.68 - Step 6: Final answer
x = 127,759.49
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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.