Finding the Fourth Proportional to 108,302.09, 149,396.86 and 62,975.08
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Solution
The fourth proportional to 108,302.09, 149,396.86 and 62,975.08 is: 86,870.71
Step by Step Solution
- Step 1: Write the proportion equation
108,302.09 : 149,396.86 = 62,975.08 : x - Step 2: Convert to fraction form
108,302.09/149,396.86 = 62,975.08/x - Step 3: Cross multiply
108,302.09x = 149,396.86 × 62,975.08 - Step 4: Simplify right side
108,302.09x = 9,408,279,210.25 - Step 5: Solve for x
x = 9,408,279,210.25/108,302.09 - Step 6: Final answer
x = 86,870.71
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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.