Finding the Fourth Proportional to 211,465.94, 291,823.02 and 115,974.63
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Solution
The fourth proportional to 211,465.94, 291,823.02 and 115,974.63 is: 160,045.01
Step by Step Solution
- Step 1: Write the proportion equation
211,465.94 : 291,823.02 = 115,974.63 : x - Step 2: Convert to fraction form
211,465.94/291,823.02 = 115,974.63/x - Step 3: Cross multiply
211,465.94x = 291,823.02 × 115,974.63 - Step 4: Simplify right side
211,465.94x = 33,844,066,769.98 - Step 5: Solve for x
x = 33,844,066,769.98/211,465.94 - Step 6: Final answer
x = 160,045.01
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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.