Finding the Fourth Proportional to 286,230.99, 429,358.65 and 96,695.85
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Solution
The fourth proportional to 286,230.99, 429,358.65 and 96,695.85 is: 145,047.88
Step by Step Solution
- Step 1: Write the proportion equation
286,230.99 : 429,358.65 = 96,695.85 : x - Step 2: Convert to fraction form
286,230.99/429,358.65 = 96,695.85/x - Step 3: Cross multiply
286,230.99x = 429,358.65 × 96,695.85 - Step 4: Simplify right side
286,230.99x = 41,517,199,616.60 - Step 5: Solve for x
x = 41,517,199,616.60/286,230.99 - Step 6: Final answer
x = 145,047.88
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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.