Finding the Fourth Proportional to 212,746.18, 293,581.08 and 115,947.98
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Solution
The fourth proportional to 212,746.18, 293,581.08 and 115,947.98 is: 160,003.50
Step by Step Solution
- Step 1: Write the proportion equation
212,746.18 : 293,581.08 = 115,947.98 : x - Step 2: Convert to fraction form
212,746.18/293,581.08 = 115,947.98/x - Step 3: Cross multiply
212,746.18x = 293,581.08 × 115,947.98 - Step 4: Simplify right side
212,746.18x = 34,040,132,825.24 - Step 5: Solve for x
x = 34,040,132,825.24/212,746.18 - Step 6: Final answer
x = 160,003.50
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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.