Finding the Fourth Proportional to 99,616.74, 149,424.75 and 29,490.54
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Solution
The fourth proportional to 99,616.74, 149,424.75 and 29,490.54 is: 44,235.70
Step by Step Solution
- Step 1: Write the proportion equation
99,616.74 : 149,424.75 = 29,490.54 : x - Step 2: Convert to fraction form
99,616.74/149,424.75 = 29,490.54/x - Step 3: Cross multiply
99,616.74x = 149,424.75 × 29,490.54 - Step 4: Simplify right side
99,616.74x = 4,406,616,566.87 - Step 5: Solve for x
x = 4,406,616,566.87/99,616.74 - Step 6: Final answer
x = 44,235.70
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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.