Finding the Fourth Proportional to 144,584.96, 216,727.68 and 74,307.84
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Solution
The fourth proportional to 144,584.96, 216,727.68 and 74,307.84 is: 111,384.79
Step by Step Solution
- Step 1: Write the proportion equation
144,584.96 : 216,727.68 = 74,307.84 : x - Step 2: Convert to fraction form
144,584.96/216,727.68 = 74,307.84/x - Step 3: Cross multiply
144,584.96x = 216,727.68 × 74,307.84 - Step 4: Simplify right side
144,584.96x = 16,104,565,769.01 - Step 5: Solve for x
x = 16,104,565,769.01/144,584.96 - Step 6: Final answer
x = 111,384.79
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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.