Finding the Fourth Proportional to 76,292.99, 114,417.61 and 22,990.13
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Solution
The fourth proportional to 76,292.99, 114,417.61 and 22,990.13 is: 34,478.60
Step by Step Solution
- Step 1: Write the proportion equation
76,292.99 : 114,417.61 = 22,990.13 : x - Step 2: Convert to fraction form
76,292.99/114,417.61 = 22,990.13/x - Step 3: Cross multiply
76,292.99x = 114,417.61 × 22,990.13 - Step 4: Simplify right side
76,292.99x = 2,630,475,284.75 - Step 5: Solve for x
x = 2,630,475,284.75/76,292.99 - Step 6: Final answer
x = 34,478.60
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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.