Finding the Fourth Proportional to 425,359.44, 587,037.38 and 317,742.62
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Solution
The fourth proportional to 425,359.44, 587,037.38 and 317,742.62 is: 438,515.71
Step by Step Solution
- Step 1: Write the proportion equation
425,359.44 : 587,037.38 = 317,742.62 : x - Step 2: Convert to fraction form
425,359.44/587,037.38 = 317,742.62/x - Step 3: Cross multiply
425,359.44x = 587,037.38 × 317,742.62 - Step 4: Simplify right side
425,359.44x = 186,526,795,159.14 - Step 5: Solve for x
x = 186,526,795,159.14/425,359.44 - Step 6: Final answer
x = 438,515.71
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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.