Finding the Fourth Proportional to 292,023.20, 402,992.00 and 157,887.20
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Solution
The fourth proportional to 292,023.20, 402,992.00 and 157,887.20 is: 217,884.32
Step by Step Solution
- Step 1: Write the proportion equation
292,023.20 : 402,992.00 = 157,887.20 : x - Step 2: Convert to fraction form
292,023.20/402,992.00 = 157,887.20/x - Step 3: Cross multiply
292,023.20x = 402,992.00 × 157,887.20 - Step 4: Simplify right side
292,023.20x = 63,627,275,698.00 - Step 5: Solve for x
x = 63,627,275,698.00/292,023.20 - Step 6: Final answer
x = 217,884.32
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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.