Finding the Fourth Proportional to 313,508.18, 432,667.97 and 177,566.31
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Solution
The fourth proportional to 313,508.18, 432,667.97 and 177,566.31 is: 245,056.62
Step by Step Solution
- Step 1: Write the proportion equation
313,508.18 : 432,667.97 = 177,566.31 : x - Step 2: Convert to fraction form
313,508.18/432,667.97 = 177,566.31/x - Step 3: Cross multiply
313,508.18x = 432,667.97 × 177,566.31 - Step 4: Simplify right side
313,508.18x = 76,827,254,888.09 - Step 5: Solve for x
x = 76,827,254,888.09/313,508.18 - Step 6: Final answer
x = 245,056.62
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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.