Finding the Fourth Proportional to 319,730.06, 441,231.12 and 176,490.17
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Solution
The fourth proportional to 319,730.06, 441,231.12 and 176,490.17 is: 243,558.44
Step by Step Solution
- Step 1: Write the proportion equation
319,730.06 : 441,231.12 = 176,490.17 : x - Step 2: Convert to fraction form
319,730.06/441,231.12 = 176,490.17/x - Step 3: Cross multiply
319,730.06x = 441,231.12 × 176,490.17 - Step 4: Simplify right side
319,730.06x = 77,872,955,378.09 - Step 5: Solve for x
x = 77,872,955,378.09/319,730.06 - Step 6: Final answer
x = 243,558.44
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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.