Finding the Fourth Proportional to 322,384.91, 483,639.79 and 122,689.94
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Solution
The fourth proportional to 322,384.91, 483,639.79 and 122,689.94 is: 184,058.67
Step by Step Solution
- Step 1: Write the proportion equation
322,384.91 : 483,639.79 = 122,689.94 : x - Step 2: Convert to fraction form
322,384.91/483,639.79 = 122,689.94/x - Step 3: Cross multiply
322,384.91x = 483,639.79 × 122,689.94 - Step 4: Simplify right side
322,384.91x = 59,337,736,697.24 - Step 5: Solve for x
x = 59,337,736,697.24/322,384.91 - Step 6: Final answer
x = 184,058.67
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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.