Finding the Fourth Proportional to 514,537.05, 709,706.79 and 361,899.03
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Solution
The fourth proportional to 514,537.05, 709,706.79 and 361,899.03 is: 499,171.44
Step by Step Solution
- Step 1: Write the proportion equation
514,537.05 : 709,706.79 = 361,899.03 : x - Step 2: Convert to fraction form
514,537.05/709,706.79 = 361,899.03/x - Step 3: Cross multiply
514,537.05x = 709,706.79 × 361,899.03 - Step 4: Simplify right side
514,537.05x = 256,842,198,885.41 - Step 5: Solve for x
x = 256,842,198,885.41/514,537.05 - Step 6: Final answer
x = 499,171.44
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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.