Finding the Fourth Proportional to 457,102.10, 630,591.50 and 296,009.03
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Solution
The fourth proportional to 457,102.10, 630,591.50 and 296,009.03 is: 408,356.85
Step by Step Solution
- Step 1: Write the proportion equation
457,102.10 : 630,591.50 = 296,009.03 : x - Step 2: Convert to fraction form
457,102.10/630,591.50 = 296,009.03/x - Step 3: Cross multiply
457,102.10x = 630,591.50 × 296,009.03 - Step 4: Simplify right side
457,102.10x = 186,660,773,608.24 - Step 5: Solve for x
x = 186,660,773,608.24/457,102.10 - Step 6: Final answer
x = 408,356.85
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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.