Finding the Fourth Proportional to 538,238.07, 742,740.95 and 296,515.35
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Solution
The fourth proportional to 538,238.07, 742,740.95 and 296,515.35 is: 409,175.99
Step by Step Solution
- Step 1: Write the proportion equation
538,238.07 : 742,740.95 = 296,515.35 : x - Step 2: Convert to fraction form
538,238.07/742,740.95 = 296,515.35/x - Step 3: Cross multiply
538,238.07x = 742,740.95 × 296,515.35 - Step 4: Simplify right side
538,238.07x = 220,234,093,489.87 - Step 5: Solve for x
x = 220,234,093,489.87/538,238.07 - Step 6: Final answer
x = 409,175.99
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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.