Finding the Fourth Proportional to 267,448.76, 369,134.16 and 154,256.12
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Solution
The fourth proportional to 267,448.76, 369,134.16 and 154,256.12 is: 212,905.09
Step by Step Solution
- Step 1: Write the proportion equation
267,448.76 : 369,134.16 = 154,256.12 : x - Step 2: Convert to fraction form
267,448.76/369,134.16 = 154,256.12/x - Step 3: Cross multiply
267,448.76x = 369,134.16 × 154,256.12 - Step 4: Simplify right side
267,448.76x = 56,941,203,281.06 - Step 5: Solve for x
x = 56,941,203,281.06/267,448.76 - Step 6: Final answer
x = 212,905.09
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1.5x scale
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.