Finding the Fourth Proportional to 219,079.36, 302,327.20 and 123,617.12
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Solution
The fourth proportional to 219,079.36, 302,327.20 and 123,617.12 is: 170,590.32
Step by Step Solution
- Step 1: Write the proportion equation
219,079.36 : 302,327.20 = 123,617.12 : x - Step 2: Convert to fraction form
219,079.36/302,327.20 = 123,617.12/x - Step 3: Cross multiply
219,079.36x = 302,327.20 × 123,617.12 - Step 4: Simplify right side
219,079.36x = 37,372,817,761.66 - Step 5: Solve for x
x = 37,372,817,761.66/219,079.36 - Step 6: Final answer
x = 170,590.32
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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.