Finding the Fourth Proportional to 211,797.74, 292,281.68 and 115,001.73
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Solution
The fourth proportional to 211,797.74, 292,281.68 and 115,001.73 is: 158,702.82
Step by Step Solution
- Step 1: Write the proportion equation
211,797.74 : 292,281.68 = 115,001.73 : x - Step 2: Convert to fraction form
211,797.74/292,281.68 = 115,001.73/x - Step 3: Cross multiply
211,797.74x = 292,281.68 × 115,001.73 - Step 4: Simplify right side
211,797.74x = 33,612,899,134.81 - Step 5: Solve for x
x = 33,612,899,134.81/211,797.74 - Step 6: Final answer
x = 158,702.82
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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.