Finding the Fourth Proportional to 145,864.99, 218,778.04 and 40,694.59
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Solution
The fourth proportional to 145,864.99, 218,778.04 and 40,694.59 is: 61,036.46
Step by Step Solution
- Step 1: Write the proportion equation
145,864.99 : 218,778.04 = 40,694.59 : x - Step 2: Convert to fraction form
145,864.99/218,778.04 = 40,694.59/x - Step 3: Cross multiply
145,864.99x = 218,778.04 × 40,694.59 - Step 4: Simplify right side
145,864.99x = 8,903,082,638.80 - Step 5: Solve for x
x = 8,903,082,638.80/145,864.99 - Step 6: Final answer
x = 61,036.46
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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.