Finding the Fourth Proportional to 309,574.23, 464,393.13 and 107,170.01
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Solution
The fourth proportional to 309,574.23, 464,393.13 and 107,170.01 is: 160,766.02
Step by Step Solution
- Step 1: Write the proportion equation
309,574.23 : 464,393.13 = 107,170.01 : x - Step 2: Convert to fraction form
309,574.23/464,393.13 = 107,170.01/x - Step 3: Cross multiply
309,574.23x = 464,393.13 × 107,170.01 - Step 4: Simplify right side
309,574.23x = 49,769,016,386.03 - Step 5: Solve for x
x = 49,769,016,386.03/309,574.23 - Step 6: Final answer
x = 160,766.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.