Finding the Fourth Proportional to 145,898.02, 218,827.56 and 40,727.62
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Solution
The fourth proportional to 145,898.02, 218,827.56 and 40,727.62 is: 61,085.99
Step by Step Solution
- Step 1: Write the proportion equation
145,898.02 : 218,827.56 = 40,727.62 : x - Step 2: Convert to fraction form
145,898.02/218,827.56 = 40,727.62/x - Step 3: Cross multiply
145,898.02x = 218,827.56 × 40,727.62 - Step 4: Simplify right side
145,898.02x = 8,912,325,709.21 - Step 5: Solve for x
x = 8,912,325,709.21/145,898.02 - Step 6: Final answer
x = 61,085.99
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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.