Finding the Fourth Proportional to 141,203.99, 211,761.12 and 46,412.30
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Solution
The fourth proportional to 141,203.99, 211,761.12 and 46,412.30 is: 69,603.70
Step by Step Solution
- Step 1: Write the proportion equation
141,203.99 : 211,761.12 = 46,412.30 : x - Step 2: Convert to fraction form
141,203.99/211,761.12 = 46,412.30/x - Step 3: Cross multiply
141,203.99x = 211,761.12 × 46,412.30 - Step 4: Simplify right side
141,203.99x = 9,828,320,629.78 - Step 5: Solve for x
x = 9,828,320,629.78/141,203.99 - Step 6: Final answer
x = 69,603.70
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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.