Finding the Fourth Proportional to 259,477.88, 389,269.35 and 109,717.91
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Solution
The fourth proportional to 259,477.88, 389,269.35 and 109,717.91 is: 164,599.08
Step by Step Solution
- Step 1: Write the proportion equation
259,477.88 : 389,269.35 = 109,717.91 : x - Step 2: Convert to fraction form
259,477.88/389,269.35 = 109,717.91/x - Step 3: Cross multiply
259,477.88x = 389,269.35 × 109,717.91 - Step 4: Simplify right side
259,477.88x = 42,709,819,509.06 - Step 5: Solve for x
x = 42,709,819,509.06/259,477.88 - Step 6: Final answer
x = 164,599.08
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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.