Finding the Fourth Proportional to 108,349.84, 149,530.60 and 60,618.56
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Solution
The fourth proportional to 108,349.84, 149,530.60 and 60,618.56 is: 83,657.99
Step by Step Solution
- Step 1: Write the proportion equation
108,349.84 : 149,530.60 = 60,618.56 : x - Step 2: Convert to fraction form
108,349.84/149,530.60 = 60,618.56/x - Step 3: Cross multiply
108,349.84x = 149,530.60 × 60,618.56 - Step 4: Simplify right side
108,349.84x = 9,064,329,647.94 - Step 5: Solve for x
x = 9,064,329,647.94/108,349.84 - Step 6: Final answer
x = 83,657.99
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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.