Finding the Fourth Proportional to 325,011.02, 487,631.99 and 145,080.14
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Solution
The fourth proportional to 325,011.02, 487,631.99 and 145,080.14 is: 217,671.75
Step by Step Solution
- Step 1: Write the proportion equation
325,011.02 : 487,631.99 = 145,080.14 : x - Step 2: Convert to fraction form
325,011.02/487,631.99 = 145,080.14/x - Step 3: Cross multiply
325,011.02x = 487,631.99 × 145,080.14 - Step 4: Simplify right side
325,011.02x = 70,745,715,302.22 - Step 5: Solve for x
x = 70,745,715,302.22/325,011.02 - Step 6: Final answer
x = 217,671.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.