Finding the Fourth Proportional to 236,610.24, 354,971.86 and 78,840.06
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Solution
The fourth proportional to 236,610.24, 354,971.86 and 78,840.06 is: 118,278.92
Step by Step Solution
- Step 1: Write the proportion equation
236,610.24 : 354,971.86 = 78,840.06 : x - Step 2: Convert to fraction form
236,610.24/354,971.86 = 78,840.06/x - Step 3: Cross multiply
236,610.24x = 354,971.86 × 78,840.06 - Step 4: Simplify right side
236,610.24x = 27,986,002,740.71 - Step 5: Solve for x
x = 27,986,002,740.71/236,610.24 - Step 6: Final answer
x = 118,278.92
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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.