Finding the Fourth Proportional to 153,101.24, 211,284.30 and 84,187.14
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Solution
The fourth proportional to 153,101.24, 211,284.30 and 84,187.14 is: 116,180.78
Step by Step Solution
- Step 1: Write the proportion equation
153,101.24 : 211,284.30 = 84,187.14 : x - Step 2: Convert to fraction form
153,101.24/211,284.30 = 84,187.14/x - Step 3: Cross multiply
153,101.24x = 211,284.30 × 84,187.14 - Step 4: Simplify right side
153,101.24x = 17,787,420,943.90 - Step 5: Solve for x
x = 17,787,420,943.90/153,101.24 - Step 6: Final answer
x = 116,180.78
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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.