Finding the Fourth Proportional to 475,707.43, 713,557.90 and 115,873.91
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Solution
The fourth proportional to 475,707.43, 713,557.90 and 115,873.91 is: 173,810.07
Step by Step Solution
- Step 1: Write the proportion equation
475,707.43 : 713,557.90 = 115,873.91 : x - Step 2: Convert to fraction form
475,707.43/713,557.90 = 115,873.91/x - Step 3: Cross multiply
475,707.43x = 713,557.90 × 115,873.91 - Step 4: Simplify right side
475,707.43x = 82,682,739,737.23 - Step 5: Solve for x
x = 82,682,739,737.23/475,707.43 - Step 6: Final answer
x = 173,810.07
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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.