Finding the Fourth Proportional to 313,288.92, 432,327.12 and 170,045.91
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Solution
The fourth proportional to 313,288.92, 432,327.12 and 170,045.91 is: 234,657.07
Step by Step Solution
- Step 1: Write the proportion equation
313,288.92 : 432,327.12 = 170,045.91 : x - Step 2: Convert to fraction form
313,288.92/432,327.12 = 170,045.91/x - Step 3: Cross multiply
313,288.92x = 432,327.12 × 170,045.91 - Step 4: Simplify right side
313,288.92x = 73,515,458,538.08 - Step 5: Solve for x
x = 73,515,458,538.08/313,288.92 - Step 6: Final answer
x = 234,657.07
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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.