Finding the Fourth Proportional to 108,266.22, 149,257.28 and 93,318.08
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Solution
The fourth proportional to 108,266.22, 149,257.28 and 93,318.08 is: 128,649.57
Step by Step Solution
- Step 1: Write the proportion equation
108,266.22 : 149,257.28 = 93,318.08 : x - Step 2: Convert to fraction form
108,266.22/149,257.28 = 93,318.08/x - Step 3: Cross multiply
108,266.22x = 149,257.28 × 93,318.08 - Step 4: Simplify right side
108,266.22x = 13,928,402,282.63 - Step 5: Solve for x
x = 13,928,402,282.63/108,266.22 - Step 6: Final answer
x = 128,649.57
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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.