Finding the Fourth Proportional to 375,407.37, 518,072.69 and 228,231.99
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Solution
The fourth proportional to 375,407.37, 518,072.69 and 228,231.99 is: 314,966.54
Step by Step Solution
- Step 1: Write the proportion equation
375,407.37 : 518,072.69 = 228,231.99 : x - Step 2: Convert to fraction form
375,407.37/518,072.69 = 228,231.99/x - Step 3: Cross multiply
375,407.37x = 518,072.69 × 228,231.99 - Step 4: Simplify right side
375,407.37x = 118,240,761,573.93 - Step 5: Solve for x
x = 118,240,761,573.93/375,407.37 - Step 6: Final answer
x = 314,966.54
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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.