Finding the Fourth Proportional to 193,686.74, 290,617.77 and 98,867.99
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Solution
The fourth proportional to 193,686.74, 290,617.77 and 98,867.99 is: 148,346.73
Step by Step Solution
- Step 1: Write the proportion equation
193,686.74 : 290,617.77 = 98,867.99 : x - Step 2: Convert to fraction form
193,686.74/290,617.77 = 98,867.99/x - Step 3: Cross multiply
193,686.74x = 290,617.77 × 98,867.99 - Step 4: Simplify right side
193,686.74x = 28,732,794,778.18 - Step 5: Solve for x
x = 28,732,794,778.18/193,686.74 - Step 6: Final answer
x = 148,346.73
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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.