Finding the Fourth Proportional to 207,719.41, 286,652.93 and 112,226.08
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Solution
The fourth proportional to 207,719.41, 286,652.93 and 112,226.08 is: 154,872.06
Step by Step Solution
- Step 1: Write the proportion equation
207,719.41 : 286,652.93 = 112,226.08 : x - Step 2: Convert to fraction form
207,719.41/286,652.93 = 112,226.08/x - Step 3: Cross multiply
207,719.41x = 286,652.93 × 112,226.08 - Step 4: Simplify right side
207,719.41x = 32,169,932,660.02 - Step 5: Solve for x
x = 32,169,932,660.02/207,719.41 - Step 6: Final answer
x = 154,872.06
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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.