Finding the Fourth Proportional to 211,393.63, 291,726.08 and 115,900.12
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Solution
The fourth proportional to 211,393.63, 291,726.08 and 115,900.12 is: 159,943.74
Step by Step Solution
- Step 1: Write the proportion equation
211,393.63 : 291,726.08 = 115,900.12 : x - Step 2: Convert to fraction form
211,393.63/291,726.08 = 115,900.12/x - Step 3: Cross multiply
211,393.63x = 291,726.08 × 115,900.12 - Step 4: Simplify right side
211,393.63x = 33,811,087,679.13 - Step 5: Solve for x
x = 33,811,087,679.13/211,393.63 - Step 6: Final answer
x = 159,943.74
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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.