Finding the Fourth Proportional to 144,282.24, 216,431.76 and 39,109.68
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Solution
The fourth proportional to 144,282.24, 216,431.76 and 39,109.68 is: 58,666.80
Step by Step Solution
- Step 1: Write the proportion equation
144,282.24 : 216,431.76 = 39,109.68 : x - Step 2: Convert to fraction form
144,282.24/216,431.76 = 39,109.68/x - Step 3: Cross multiply
144,282.24x = 216,431.76 × 39,109.68 - Step 4: Simplify right side
144,282.24x = 8,464,576,875.44 - Step 5: Solve for x
x = 8,464,576,875.44/144,282.24 - Step 6: Final answer
x = 58,666.80
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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.