Finding the Fourth Proportional to 457,238.71, 686,283.62 and 232,767.19
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Solution
The fourth proportional to 457,238.71, 686,283.62 and 232,767.19 is: 349,367.43
Step by Step Solution
- Step 1: Write the proportion equation
457,238.71 : 686,283.62 = 232,767.19 : x - Step 2: Convert to fraction form
457,238.71/686,283.62 = 232,767.19/x - Step 3: Cross multiply
457,238.71x = 686,283.62 × 232,767.19 - Step 4: Simplify right side
457,238.71x = 159,744,312,212.94 - Step 5: Solve for x
x = 159,744,312,212.94/457,238.71 - Step 6: Final answer
x = 349,367.43
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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.