Finding the Fourth Proportional to 461,491.14, 636,889.74 and 257,581.84
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Solution
The fourth proportional to 461,491.14, 636,889.74 and 257,581.84 is: 355,480.78
Step by Step Solution
- Step 1: Write the proportion equation
461,491.14 : 636,889.74 = 257,581.84 : x - Step 2: Convert to fraction form
461,491.14/636,889.74 = 257,581.84/x - Step 3: Cross multiply
461,491.14x = 636,889.74 × 257,581.84 - Step 4: Simplify right side
461,491.14x = 164,051,232,385.40 - Step 5: Solve for x
x = 164,051,232,385.40/461,491.14 - Step 6: Final answer
x = 355,480.78
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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.