Finding the Fourth Proportional to 278,156.55, 417,125.62 and 98,203.56
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Solution
The fourth proportional to 278,156.55, 417,125.62 and 98,203.56 is: 147,266.79
Step by Step Solution
- Step 1: Write the proportion equation
278,156.55 : 417,125.62 = 98,203.56 : x - Step 2: Convert to fraction form
278,156.55/417,125.62 = 98,203.56/x - Step 3: Cross multiply
278,156.55x = 417,125.62 × 98,203.56 - Step 4: Simplify right side
278,156.55x = 40,963,220,851.21 - Step 5: Solve for x
x = 40,963,220,851.21/278,156.55 - Step 6: Final answer
x = 147,266.79
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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.