Finding the Fourth Proportional to 90,272.59, 135,427.10 and 62,206.09
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Solution
The fourth proportional to 90,272.59, 135,427.10 and 62,206.09 is: 93,321.69
Step by Step Solution
- Step 1: Write the proportion equation
90,272.59 : 135,427.10 = 62,206.09 : x - Step 2: Convert to fraction form
90,272.59/135,427.10 = 62,206.09/x - Step 3: Cross multiply
90,272.59x = 135,427.10 × 62,206.09 - Step 4: Simplify right side
90,272.59x = 8,424,390,371.04 - Step 5: Solve for x
x = 8,424,390,371.04/90,272.59 - Step 6: Final answer
x = 93,321.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.