Finding the Fourth Proportional to 165,811.10, 228,992.99 and 114,262.23
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Solution
The fourth proportional to 165,811.10, 228,992.99 and 114,262.23 is: 157,801.56
Step by Step Solution
- Step 1: Write the proportion equation
165,811.10 : 228,992.99 = 114,262.23 : x - Step 2: Convert to fraction form
165,811.10/228,992.99 = 114,262.23/x - Step 3: Cross multiply
165,811.10x = 228,992.99 × 114,262.23 - Step 4: Simplify right side
165,811.10x = 26,165,249,691.77 - Step 5: Solve for x
x = 26,165,249,691.77/165,811.10 - Step 6: Final answer
x = 157,801.56
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1.5x scale
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.