Finding the Fourth Proportional to 380,440.56, 524,988.99 and 219,285.84
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Solution
The fourth proportional to 380,440.56, 524,988.99 and 219,285.84 is: 302,603.52
Step by Step Solution
- Step 1: Write the proportion equation
380,440.56 : 524,988.99 = 219,285.84 : x - Step 2: Convert to fraction form
380,440.56/524,988.99 = 219,285.84/x - Step 3: Cross multiply
380,440.56x = 524,988.99 × 219,285.84 - Step 4: Simplify right side
380,440.56x = 115,122,651,662.90 - Step 5: Solve for x
x = 115,122,651,662.90/380,440.56 - Step 6: Final answer
x = 302,603.52
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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.