Finding the Fourth Proportional to 165,774.48, 228,769.29 and 94,155.09
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Solution
The fourth proportional to 165,774.48, 228,769.29 and 94,155.09 is: 129,934.31
Step by Step Solution
- Step 1: Write the proportion equation
165,774.48 : 228,769.29 = 94,155.09 : x - Step 2: Convert to fraction form
165,774.48/228,769.29 = 94,155.09/x - Step 3: Cross multiply
165,774.48x = 228,769.29 × 94,155.09 - Step 4: Simplify right side
165,774.48x = 21,539,793,089.19 - Step 5: Solve for x
x = 21,539,793,089.19/165,774.48 - Step 6: Final answer
x = 129,934.31
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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.