Finding the Fourth Proportional to 248,303.12, 372,489.70 and 79,766.94
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Solution
The fourth proportional to 248,303.12, 372,489.70 and 79,766.94 is: 119,661.66
Step by Step Solution
- Step 1: Write the proportion equation
248,303.12 : 372,489.70 = 79,766.94 : x - Step 2: Convert to fraction form
248,303.12/372,489.70 = 79,766.94/x - Step 3: Cross multiply
248,303.12x = 372,489.70 × 79,766.94 - Step 4: Simplify right side
248,303.12x = 29,712,363,550.52 - Step 5: Solve for x
x = 29,712,363,550.52/248,303.12 - Step 6: Final answer
x = 119,661.66
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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.