Finding the Fourth Proportional to 173,345.53, 239,290.49 and 105,384.21
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Solution
The fourth proportional to 173,345.53, 239,290.49 and 105,384.21 is: 145,474.99
Step by Step Solution
- Step 1: Write the proportion equation
173,345.53 : 239,290.49 = 105,384.21 : x - Step 2: Convert to fraction form
173,345.53/239,290.49 = 105,384.21/x - Step 3: Cross multiply
173,345.53x = 239,290.49 × 105,384.21 - Step 4: Simplify right side
173,345.53x = 25,217,439,249.16 - Step 5: Solve for x
x = 25,217,439,249.16/173,345.53 - Step 6: Final answer
x = 145,474.99
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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.