Finding the Fourth Proportional to 211,203.02, 291,465.99 and 120,573.74
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Solution
The fourth proportional to 211,203.02, 291,465.99 and 120,573.74 is: 166,395.08
Step by Step Solution
- Step 1: Write the proportion equation
211,203.02 : 291,465.99 = 120,573.74 : x - Step 2: Convert to fraction form
211,203.02/291,465.99 = 120,573.74/x - Step 3: Cross multiply
211,203.02x = 291,465.99 × 120,573.74 - Step 4: Simplify right side
211,203.02x = 35,143,143,039.77 - Step 5: Solve for x
x = 35,143,143,039.77/211,203.02 - Step 6: Final answer
x = 166,395.08
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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.