Finding the Fourth Proportional to 249,954.43, 375,019.12 and 72,472.09
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Solution
The fourth proportional to 249,954.43, 375,019.12 and 72,472.09 is: 108,733.49
Step by Step Solution
- Step 1: Write the proportion equation
249,954.43 : 375,019.12 = 72,472.09 : x - Step 2: Convert to fraction form
249,954.43/375,019.12 = 72,472.09/x - Step 3: Cross multiply
249,954.43x = 375,019.12 × 72,472.09 - Step 4: Simplify right side
249,954.43x = 27,178,418,115.91 - Step 5: Solve for x
x = 27,178,418,115.91/249,954.43 - Step 6: Final answer
x = 108,733.49
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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.