Finding the Fourth Proportional to 232,320.98, 320,701.02 and 156,971.54
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Solution
The fourth proportional to 232,320.98, 320,701.02 and 156,971.54 is: 216,686.99
Step by Step Solution
- Step 1: Write the proportion equation
232,320.98 : 320,701.02 = 156,971.54 : x - Step 2: Convert to fraction form
232,320.98/320,701.02 = 156,971.54/x - Step 3: Cross multiply
232,320.98x = 320,701.02 × 156,971.54 - Step 4: Simplify right side
232,320.98x = 50,340,932,988.97 - Step 5: Solve for x
x = 50,340,932,988.97/232,320.98 - Step 6: Final answer
x = 216,686.99
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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.