Finding the Fourth Proportional to 351,682.45, 485,053.99 and 302,707.42
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Solution
The fourth proportional to 351,682.45, 485,053.99 and 302,707.42 is: 417,505.75
Step by Step Solution
- Step 1: Write the proportion equation
351,682.45 : 485,053.99 = 302,707.42 : x - Step 2: Convert to fraction form
351,682.45/485,053.99 = 302,707.42/x - Step 3: Cross multiply
351,682.45x = 485,053.99 × 302,707.42 - Step 4: Simplify right side
351,682.45x = 146,829,443,815.77 - Step 5: Solve for x
x = 146,829,443,815.77/351,682.45 - Step 6: Final answer
x = 417,505.75
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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.