Finding the Fourth Proportional to 267,317.09, 368,840.17 and 158,455.74
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Solution
The fourth proportional to 267,317.09, 368,840.17 and 158,455.74 is: 218,634.90
Step by Step Solution
- Step 1: Write the proportion equation
267,317.09 : 368,840.17 = 158,455.74 : x - Step 2: Convert to fraction form
267,317.09/368,840.17 = 158,455.74/x - Step 3: Cross multiply
267,317.09x = 368,840.17 × 158,455.74 - Step 4: Simplify right side
267,317.09x = 58,444,843,437.47 - Step 5: Solve for x
x = 58,444,843,437.47/267,317.09 - Step 6: Final answer
x = 218,634.90
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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.