Finding the Fourth Proportional to 108,235.74, 149,369.93 and 60,489.09
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Solution
The fourth proportional to 108,235.74, 149,369.93 and 60,489.09 is: 83,477.52
Step by Step Solution
- Step 1: Write the proportion equation
108,235.74 : 149,369.93 = 60,489.09 : x - Step 2: Convert to fraction form
108,235.74/149,369.93 = 60,489.09/x - Step 3: Cross multiply
108,235.74x = 149,369.93 × 60,489.09 - Step 4: Simplify right side
108,235.74x = 9,035,250,392.21 - Step 5: Solve for x
x = 9,035,250,392.21/108,235.74 - Step 6: Final answer
x = 83,477.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.