Finding the Fourth Proportional to 267,139.76, 368,649.36 and 152,415.44
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Solution
The fourth proportional to 267,139.76, 368,649.36 and 152,415.44 is: 210,331.31
Step by Step Solution
- Step 1: Write the proportion equation
267,139.76 : 368,649.36 = 152,415.44 : x - Step 2: Convert to fraction form
267,139.76/368,649.36 = 152,415.44/x - Step 3: Cross multiply
267,139.76x = 368,649.36 × 152,415.44 - Step 4: Simplify right side
267,139.76x = 56,187,854,410.12 - Step 5: Solve for x
x = 56,187,854,410.12/267,139.76 - Step 6: Final answer
x = 210,331.31
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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.