Finding the Fourth Proportional to 165,708.99, 228,688.16 and 124,800.95
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Solution
The fourth proportional to 165,708.99, 228,688.16 and 124,800.95 is: 172,232.65
Step by Step Solution
- Step 1: Write the proportion equation
165,708.99 : 228,688.16 = 124,800.95 : x - Step 2: Convert to fraction form
165,708.99/228,688.16 = 124,800.95/x - Step 3: Cross multiply
165,708.99x = 228,688.16 × 124,800.95 - Step 4: Simplify right side
165,708.99x = 28,540,497,854.31 - Step 5: Solve for x
x = 28,540,497,854.31/165,708.99 - Step 6: Final answer
x = 172,232.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.