Finding the Fourth Proportional to 285,212.07, 427,203.02 and 268,443.63
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Solution
The fourth proportional to 285,212.07, 427,203.02 and 268,443.63 is: 402,086.52
Step by Step Solution
- Step 1: Write the proportion equation
285,212.07 : 427,203.02 = 268,443.63 : x - Step 2: Convert to fraction form
285,212.07/427,203.02 = 268,443.63/x - Step 3: Cross multiply
285,212.07x = 427,203.02 × 268,443.63 - Step 4: Simplify right side
285,212.07x = 114,679,930,106.87 - Step 5: Solve for x
x = 114,679,930,106.87/285,212.07 - Step 6: Final answer
x = 402,086.52
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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.