Finding the Fourth Proportional to 236,525.32, 354,834.65 and 86,766.99
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Solution
The fourth proportional to 236,525.32, 354,834.65 and 86,766.99 is: 130,167.61
Step by Step Solution
- Step 1: Write the proportion equation
236,525.32 : 354,834.65 = 86,766.99 : x - Step 2: Convert to fraction form
236,525.32/354,834.65 = 86,766.99/x - Step 3: Cross multiply
236,525.32x = 354,834.65 × 86,766.99 - Step 4: Simplify right side
236,525.32x = 30,787,934,528.20 - Step 5: Solve for x
x = 30,787,934,528.20/236,525.32 - Step 6: Final answer
x = 130,167.61
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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.