Finding the Fourth Proportional to 487,663.08, 673,080.36 and 296,737.92
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Solution
The fourth proportional to 487,663.08, 673,080.36 and 296,737.92 is: 409,562.41
Step by Step Solution
- Step 1: Write the proportion equation
487,663.08 : 673,080.36 = 296,737.92 : x - Step 2: Convert to fraction form
487,663.08/673,080.36 = 296,737.92/x - Step 3: Cross multiply
487,663.08x = 673,080.36 × 296,737.92 - Step 4: Simplify right side
487,663.08x = 199,728,466,019.25 - Step 5: Solve for x
x = 199,728,466,019.25/487,663.08 - Step 6: Final answer
x = 409,562.41
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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.