Finding the Fourth Proportional to 267,215.36, 368,763.14 and 152,491.70
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Solution
The fourth proportional to 267,215.36, 368,763.14 and 152,491.70 is: 210,441.94
Step by Step Solution
- Step 1: Write the proportion equation
267,215.36 : 368,763.14 = 152,491.70 : x - Step 2: Convert to fraction form
267,215.36/368,763.14 = 152,491.70/x - Step 3: Cross multiply
267,215.36x = 368,763.14 × 152,491.70 - Step 4: Simplify right side
267,215.36x = 56,233,318,115.94 - Step 5: Solve for x
x = 56,233,318,115.94/267,215.36 - Step 6: Final answer
x = 210,441.94
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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.