Finding the Fourth Proportional to 217,312.74, 325,801.44 and 82,374.84
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Solution
The fourth proportional to 217,312.74, 325,801.44 and 82,374.84 is: 123,498.70
Step by Step Solution
- Step 1: Write the proportion equation
217,312.74 : 325,801.44 = 82,374.84 : x - Step 2: Convert to fraction form
217,312.74/325,801.44 = 82,374.84/x - Step 3: Cross multiply
217,312.74x = 325,801.44 × 82,374.84 - Step 4: Simplify right side
217,312.74x = 26,837,841,491.77 - Step 5: Solve for x
x = 26,837,841,491.77/217,312.74 - Step 6: Final answer
x = 123,498.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.