Finding the Fourth Proportional to 313,642.14, 432,730.80 and 177,654.48
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Solution
The fourth proportional to 313,642.14, 432,730.80 and 177,654.48 is: 245,109.17
Step by Step Solution
- Step 1: Write the proportion equation
313,642.14 : 432,730.80 = 177,654.48 : x - Step 2: Convert to fraction form
313,642.14/432,730.80 = 177,654.48/x - Step 3: Cross multiply
313,642.14x = 432,730.80 × 177,654.48 - Step 4: Simplify right side
313,642.14x = 76,876,565,253.98 - Step 5: Solve for x
x = 76,876,565,253.98/313,642.14 - Step 6: Final answer
x = 245,109.17
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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.