Finding the Fourth Proportional to 232,518.76, 320,854.97 and 135,731.02
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Solution
The fourth proportional to 232,518.76, 320,854.97 and 135,731.02 is: 187,296.60
Step by Step Solution
- Step 1: Write the proportion equation
232,518.76 : 320,854.97 = 135,731.02 : x - Step 2: Convert to fraction form
232,518.76/320,854.97 = 135,731.02/x - Step 3: Cross multiply
232,518.76x = 320,854.97 × 135,731.02 - Step 4: Simplify right side
232,518.76x = 43,549,972,350.17 - Step 5: Solve for x
x = 43,549,972,350.17/232,518.76 - Step 6: Final answer
x = 187,296.60
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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.