Finding the Fourth Proportional to 319,248.45, 440,589.12 and 176,022.09
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Solution
The fourth proportional to 319,248.45, 440,589.12 and 176,022.09 is: 242,924.96
Step by Step Solution
- Step 1: Write the proportion equation
319,248.45 : 440,589.12 = 176,022.09 : x - Step 2: Convert to fraction form
319,248.45/440,589.12 = 176,022.09/x - Step 3: Cross multiply
319,248.45x = 440,589.12 × 176,022.09 - Step 4: Simplify right side
319,248.45x = 77,553,417,733.66 - Step 5: Solve for x
x = 77,553,417,733.66/319,248.45 - Step 6: Final answer
x = 242,924.96
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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.