Finding the Fourth Proportional to 286,554.36, 395,437.12 and 159,226.68
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Solution
The fourth proportional to 286,554.36, 395,437.12 and 159,226.68 is: 219,728.43
Step by Step Solution
- Step 1: Write the proportion equation
286,554.36 : 395,437.12 = 159,226.68 : x - Step 2: Convert to fraction form
286,554.36/395,437.12 = 159,226.68/x - Step 3: Cross multiply
286,554.36x = 395,437.12 × 159,226.68 - Step 4: Simplify right side
286,554.36x = 62,964,139,766.36 - Step 5: Solve for x
x = 62,964,139,766.36/286,554.36 - Step 6: Final answer
x = 219,728.43
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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.