Finding the Fourth Proportional to 484,605.18, 668,774.88 and 269,731.62
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Solution
The fourth proportional to 484,605.18, 668,774.88 and 269,731.62 is: 372,240.62
Step by Step Solution
- Step 1: Write the proportion equation
484,605.18 : 668,774.88 = 269,731.62 : x - Step 2: Convert to fraction form
484,605.18/668,774.88 = 269,731.62/x - Step 3: Cross multiply
484,605.18x = 668,774.88 × 269,731.62 - Step 4: Simplify right side
484,605.18x = 180,389,731,797.71 - Step 5: Solve for x
x = 180,389,731,797.71/484,605.18 - Step 6: Final answer
x = 372,240.62
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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.