Finding the Fourth Proportional to 99,690.99, 149,536.47 and 29,569.70
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Solution
The fourth proportional to 99,690.99, 149,536.47 and 29,569.70 is: 44,354.54
Step by Step Solution
- Step 1: Write the proportion equation
99,690.99 : 149,536.47 = 29,569.70 : x - Step 2: Convert to fraction form
99,690.99/149,536.47 = 29,569.70/x - Step 3: Cross multiply
99,690.99x = 149,536.47 × 29,569.70 - Step 4: Simplify right side
99,690.99x = 4,421,747,809.28 - Step 5: Solve for x
x = 4,421,747,809.28/99,690.99 - Step 6: Final answer
x = 44,354.54
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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.