Finding the Fourth Proportional to 202,541.13, 279,506.76 and 113,117.13
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Solution
The fourth proportional to 202,541.13, 279,506.76 and 113,117.13 is: 156,101.64
Step by Step Solution
- Step 1: Write the proportion equation
202,541.13 : 279,506.76 = 113,117.13 : x - Step 2: Convert to fraction form
202,541.13/279,506.76 = 113,117.13/x - Step 3: Cross multiply
202,541.13x = 279,506.76 × 113,117.13 - Step 4: Simplify right side
202,541.13x = 31,617,002,506.80 - Step 5: Solve for x
x = 31,617,002,506.80/202,541.13 - Step 6: Final answer
x = 156,101.64
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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.