Finding the Fourth Proportional to 331,461.99, 457,417.58 and 180,558.99
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Solution
The fourth proportional to 331,461.99, 457,417.58 and 180,558.99 is: 249,171.42
Step by Step Solution
- Step 1: Write the proportion equation
331,461.99 : 457,417.58 = 180,558.99 : x - Step 2: Convert to fraction form
331,461.99/457,417.58 = 180,558.99/x - Step 3: Cross multiply
331,461.99x = 457,417.58 × 180,558.99 - Step 4: Simplify right side
331,461.99x = 82,590,855,350.25 - Step 5: Solve for x
x = 82,590,855,350.25/331,461.99 - Step 6: Final answer
x = 249,171.42
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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.