Finding the Fourth Proportional to 121,284.84, 167,368.86 and 67,567.08
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Solution
The fourth proportional to 121,284.84, 167,368.86 and 67,567.08 is: 93,240.22
Step by Step Solution
- Step 1: Write the proportion equation
121,284.84 : 167,368.86 = 67,567.08 : x - Step 2: Convert to fraction form
121,284.84/167,368.86 = 67,567.08/x - Step 3: Cross multiply
121,284.84x = 167,368.86 × 67,567.08 - Step 4: Simplify right side
121,284.84x = 11,308,625,153.13 - Step 5: Solve for x
x = 11,308,625,153.13/121,284.84 - Step 6: Final answer
x = 93,240.22
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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.