Finding the Fourth Proportional to 161,567.15, 222,930.09 and 97,867.94
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Solution
The fourth proportional to 161,567.15, 222,930.09 and 97,867.94 is: 135,038.02
Step by Step Solution
- Step 1: Write the proportion equation
161,567.15 : 222,930.09 = 97,867.94 : x - Step 2: Convert to fraction form
161,567.15/222,930.09 = 97,867.94/x - Step 3: Cross multiply
161,567.15x = 222,930.09 × 97,867.94 - Step 4: Simplify right side
161,567.15x = 21,817,708,672.31 - Step 5: Solve for x
x = 21,817,708,672.31/161,567.15 - Step 6: Final answer
x = 135,038.02
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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.