Finding the Fourth Proportional to 481,746.84, 664,791.70 and 266,890.28
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Solution
The fourth proportional to 481,746.84, 664,791.70 and 266,890.28 is: 368,298.09
Step by Step Solution
- Step 1: Write the proportion equation
481,746.84 : 664,791.70 = 266,890.28 : x - Step 2: Convert to fraction form
481,746.84/664,791.70 = 266,890.28/x - Step 3: Cross multiply
481,746.84x = 664,791.70 × 266,890.28 - Step 4: Simplify right side
481,746.84x = 177,426,442,954.68 - Step 5: Solve for x
x = 177,426,442,954.68/481,746.84 - Step 6: Final answer
x = 368,298.09
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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.