Finding the Fourth Proportional to 99,775.74, 149,688.45 and 29,653.14
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Solution
The fourth proportional to 99,775.74, 149,688.45 and 29,653.14 is: 44,487.09
Step by Step Solution
- Step 1: Write the proportion equation
99,775.74 : 149,688.45 = 29,653.14 : x - Step 2: Convert to fraction form
99,775.74/149,688.45 = 29,653.14/x - Step 3: Cross multiply
99,775.74x = 149,688.45 × 29,653.14 - Step 4: Simplify right side
99,775.74x = 4,438,732,564.23 - Step 5: Solve for x
x = 4,438,732,564.23/99,775.74 - Step 6: Final answer
x = 44,487.09
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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.