Finding the Fourth Proportional to 174,332.16, 261,459.36 and 69,122.88
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Solution
The fourth proportional to 174,332.16, 261,459.36 and 69,122.88 is: 103,668.90
Step by Step Solution
- Step 1: Write the proportion equation
174,332.16 : 261,459.36 = 69,122.88 : x - Step 2: Convert to fraction form
174,332.16/261,459.36 = 69,122.88/x - Step 3: Cross multiply
174,332.16x = 261,459.36 × 69,122.88 - Step 4: Simplify right side
174,332.16x = 18,072,823,966.16 - Step 5: Solve for x
x = 18,072,823,966.16/174,332.16 - Step 6: Final answer
x = 103,668.90
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1.5x scale
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.