Finding the Fourth Proportional to 322,484.80, 444,904.96 and 207,754.80
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Solution
The fourth proportional to 322,484.80, 444,904.96 and 207,754.80 is: 286,621.70
Step by Step Solution
- Step 1: Write the proportion equation
322,484.80 : 444,904.96 = 207,754.80 : x - Step 2: Convert to fraction form
322,484.80/444,904.96 = 207,754.80/x - Step 3: Cross multiply
322,484.80x = 444,904.96 × 207,754.80 - Step 4: Simplify right side
322,484.80x = 92,431,140,983.81 - Step 5: Solve for x
x = 92,431,140,983.81/322,484.80 - Step 6: Final answer
x = 286,621.70
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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.