Finding the Fourth Proportional to 211,027.16, 291,206.00 and 115,515.41
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Solution
The fourth proportional to 211,027.16, 291,206.00 and 115,515.41 is: 159,404.97
Step by Step Solution
- Step 1: Write the proportion equation
211,027.16 : 291,206.00 = 115,515.41 : x - Step 2: Convert to fraction form
211,027.16/291,206.00 = 115,515.41/x - Step 3: Cross multiply
211,027.16x = 291,206.00 × 115,515.41 - Step 4: Simplify right side
211,027.16x = 33,638,779,317.22 - Step 5: Solve for x
x = 33,638,779,317.22/211,027.16 - Step 6: Final answer
x = 159,404.97
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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.