Finding the Fourth Proportional to 457,179.92, 685,802.74 and 157,656.18
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Solution
The fourth proportional to 457,179.92, 685,802.74 and 157,656.18 is: 236,495.60
Step by Step Solution
- Step 1: Write the proportion equation
457,179.92 : 685,802.74 = 157,656.18 : x - Step 2: Convert to fraction form
457,179.92/685,802.74 = 157,656.18/x - Step 3: Cross multiply
457,179.92x = 685,802.74 × 157,656.18 - Step 4: Simplify right side
457,179.92x = 108,121,040,221.93 - Step 5: Solve for x
x = 108,121,040,221.93/457,179.92 - Step 6: Final answer
x = 236,495.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.