Finding the Fourth Proportional to 463,709.76, 639,943.44 and 259,748.76
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Solution
The fourth proportional to 463,709.76, 639,943.44 and 259,748.76 is: 358,466.72
Step by Step Solution
- Step 1: Write the proportion equation
463,709.76 : 639,943.44 = 259,748.76 : x - Step 2: Convert to fraction form
463,709.76/639,943.44 = 259,748.76/x - Step 3: Cross multiply
463,709.76x = 639,943.44 × 259,748.76 - Step 4: Simplify right side
463,709.76x = 166,224,515,010.13 - Step 5: Solve for x
x = 166,224,515,010.13/463,709.76 - Step 6: Final answer
x = 358,466.72
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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.