Finding the Fourth Proportional to 292,865.08, 404,044.14 and 172,010.20
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Solution
The fourth proportional to 292,865.08, 404,044.14 and 172,010.20 is: 237,309.66
Step by Step Solution
- Step 1: Write the proportion equation
292,865.08 : 404,044.14 = 172,010.20 : x - Step 2: Convert to fraction form
292,865.08/404,044.14 = 172,010.20/x - Step 3: Cross multiply
292,865.08x = 404,044.14 × 172,010.20 - Step 4: Simplify right side
292,865.08x = 69,499,713,330.23 - Step 5: Solve for x
x = 69,499,713,330.23/292,865.08 - Step 6: Final answer
x = 237,309.66
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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.