Finding the Fourth Proportional to 149,152.04, 205,834.44 and 84,623.99
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Solution
The fourth proportional to 149,152.04, 205,834.44 and 84,623.99 is: 116,783.73
Step by Step Solution
- Step 1: Write the proportion equation
149,152.04 : 205,834.44 = 84,623.99 : x - Step 2: Convert to fraction form
149,152.04/205,834.44 = 84,623.99/x - Step 3: Cross multiply
149,152.04x = 205,834.44 × 84,623.99 - Step 4: Simplify right side
149,152.04x = 17,418,530,880.38 - Step 5: Solve for x
x = 17,418,530,880.38/149,152.04 - Step 6: Final answer
x = 116,783.73
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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.