Finding the Fourth Proportional to 749,462.39, 1,124,183.18 and 180,838.74
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Solution
The fourth proportional to 749,462.39, 1,124,183.18 and 180,838.74 is: 271,255.60
Step by Step Solution
- Step 1: Write the proportion equation
749,462.39 : 1,124,183.18 = 180,838.74 : x - Step 2: Convert to fraction form
749,462.39/1,124,183.18 = 180,838.74/x - Step 3: Cross multiply
749,462.39x = 1,124,183.18 × 180,838.74 - Step 4: Simplify right side
749,462.39x = 203,295,868,896.20 - Step 5: Solve for x
x = 203,295,868,896.20/749,462.39 - Step 6: Final answer
x = 271,255.60
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1.5x scale
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.