Finding the Fourth Proportional to 202,226.19, 279,077.98 and 111,587.99
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Solution
The fourth proportional to 202,226.19, 279,077.98 and 111,587.99 is: 153,994.65
Step by Step Solution
- Step 1: Write the proportion equation
202,226.19 : 279,077.98 = 111,587.99 : x - Step 2: Convert to fraction form
202,226.19/279,077.98 = 111,587.99/x - Step 3: Cross multiply
202,226.19x = 279,077.98 × 111,587.99 - Step 4: Simplify right side
202,226.19x = 31,141,750,828.38 - Step 5: Solve for x
x = 31,141,750,828.38/202,226.19 - Step 6: Final answer
x = 153,994.65
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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.