Finding the Fourth Proportional to 74,444.06, 111,666.09 and 19,040.06
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Solution
The fourth proportional to 74,444.06, 111,666.09 and 19,040.06 is: 28,560.09
Step by Step Solution
- Step 1: Write the proportion equation
74,444.06 : 111,666.09 = 19,040.06 : x - Step 2: Convert to fraction form
74,444.06/111,666.09 = 19,040.06/x - Step 3: Cross multiply
74,444.06x = 111,666.09 × 19,040.06 - Step 4: Simplify right side
74,444.06x = 2,126,129,404.13 - Step 5: Solve for x
x = 2,126,129,404.13/74,444.06 - Step 6: Final answer
x = 28,560.09
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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.