Finding the Fourth Proportional to 236,491.60, 354,737.40 and 86,682.10
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Solution
The fourth proportional to 236,491.60, 354,737.40 and 86,682.10 is: 130,023.15
Step by Step Solution
- Step 1: Write the proportion equation
236,491.60 : 354,737.40 = 86,682.10 : x - Step 2: Convert to fraction form
236,491.60/354,737.40 = 86,682.10/x - Step 3: Cross multiply
236,491.60x = 354,737.40 × 86,682.10 - Step 4: Simplify right side
236,491.60x = 30,749,382,780.54 - Step 5: Solve for x
x = 30,749,382,780.54/236,491.60 - Step 6: Final answer
x = 130,023.15
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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.