Finding the Fourth Proportional to 153,226.24, 211,455.04 and 85,249.53
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Solution
The fourth proportional to 153,226.24, 211,455.04 and 85,249.53 is: 117,645.93
Step by Step Solution
- Step 1: Write the proportion equation
153,226.24 : 211,455.04 = 85,249.53 : x - Step 2: Convert to fraction form
153,226.24/211,455.04 = 85,249.53/x - Step 3: Cross multiply
153,226.24x = 211,455.04 × 85,249.53 - Step 4: Simplify right side
153,226.24x = 18,026,442,776.13 - Step 5: Solve for x
x = 18,026,442,776.13/153,226.24 - Step 6: Final answer
x = 117,645.93
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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.