Finding the Fourth Proportional to 317,054.21, 437,037.80 and 240,265.91
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Solution
The fourth proportional to 317,054.21, 437,037.80 and 240,265.91 is: 331,190.32
Step by Step Solution
- Step 1: Write the proportion equation
317,054.21 : 437,037.80 = 240,265.91 : x - Step 2: Convert to fraction form
317,054.21/437,037.80 = 240,265.91/x - Step 3: Cross multiply
317,054.21x = 437,037.80 × 240,265.91 - Step 4: Simplify right side
317,054.21x = 105,005,284,612.66 - Step 5: Solve for x
x = 105,005,284,612.66/317,054.21 - Step 6: Final answer
x = 331,190.32
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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.