Finding the Fourth Proportional to 457,154.36, 630,845.28 and 253,193.07
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Solution
The fourth proportional to 457,154.36, 630,845.28 and 253,193.07 is: 349,391.07
Step by Step Solution
- Step 1: Write the proportion equation
457,154.36 : 630,845.28 = 253,193.07 : x - Step 2: Convert to fraction form
457,154.36/630,845.28 = 253,193.07/x - Step 3: Cross multiply
457,154.36x = 630,845.28 × 253,193.07 - Step 4: Simplify right side
457,154.36x = 159,725,649,112.96 - Step 5: Solve for x
x = 159,725,649,112.96/457,154.36 - Step 6: Final answer
x = 349,391.07
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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.