Finding the Fourth Proportional to 372,720.78, 514,340.62 and 227,768.94
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Solution
The fourth proportional to 372,720.78, 514,340.62 and 227,768.94 is: 314,312.55
Step by Step Solution
- Step 1: Write the proportion equation
372,720.78 : 514,340.62 = 227,768.94 : x - Step 2: Convert to fraction form
372,720.78/514,340.62 = 227,768.94/x - Step 3: Cross multiply
372,720.78x = 514,340.62 × 227,768.94 - Step 4: Simplify right side
372,720.78x = 117,150,817,246.92 - Step 5: Solve for x
x = 117,150,817,246.92/372,720.78 - Step 6: Final answer
x = 314,312.55
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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.