Finding the Fourth Proportional to 165,628.99, 228,569.07 and 94,010.21
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Solution
The fourth proportional to 165,628.99, 228,569.07 and 94,010.21 is: 129,734.69
Step by Step Solution
- Step 1: Write the proportion equation
165,628.99 : 228,569.07 = 94,010.21 : x - Step 2: Convert to fraction form
165,628.99/228,569.07 = 94,010.21/x - Step 3: Cross multiply
165,628.99x = 228,569.07 × 94,010.21 - Step 4: Simplify right side
165,628.99x = 21,487,826,270.20 - Step 5: Solve for x
x = 21,487,826,270.20/165,628.99 - Step 6: Final answer
x = 129,734.69
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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.