Finding the Fourth Proportional to 316,908.99, 437,337.86 and 173,665.98
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Solution
The fourth proportional to 316,908.99, 437,337.86 and 173,665.98 is: 239,660.94
Step by Step Solution
- Step 1: Write the proportion equation
316,908.99 : 437,337.86 = 173,665.98 : x - Step 2: Convert to fraction form
316,908.99/437,337.86 = 173,665.98/x - Step 3: Cross multiply
316,908.99x = 437,337.86 × 173,665.98 - Step 4: Simplify right side
316,908.99x = 75,950,707,179.67 - Step 5: Solve for x
x = 75,950,707,179.67/316,908.99 - Step 6: Final answer
x = 239,660.94
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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.