Finding the Fourth Proportional to 211,707.47, 292,108.07 and 125,621.99
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Solution
The fourth proportional to 211,707.47, 292,108.07 and 125,621.99 is: 173,329.72
Step by Step Solution
- Step 1: Write the proportion equation
211,707.47 : 292,108.07 = 125,621.99 : x - Step 2: Convert to fraction form
211,707.47/292,108.07 = 125,621.99/x - Step 3: Cross multiply
211,707.47x = 292,108.07 × 125,621.99 - Step 4: Simplify right side
211,707.47x = 36,695,196,997.38 - Step 5: Solve for x
x = 36,695,196,997.38/211,707.47 - Step 6: Final answer
x = 173,329.72
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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.