Finding the Fourth Proportional to 697,438.12, 1,046,194.62 and 224,087.08
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Solution
The fourth proportional to 697,438.12, 1,046,194.62 and 224,087.08 is: 336,142.65
Step by Step Solution
- Step 1: Write the proportion equation
697,438.12 : 1,046,194.62 = 224,087.08 : x - Step 2: Convert to fraction form
697,438.12/1,046,194.62 = 224,087.08/x - Step 3: Cross multiply
697,438.12x = 1,046,194.62 × 224,087.08 - Step 4: Simplify right side
697,438.12x = 234,438,697,507.51 - Step 5: Solve for x
x = 234,438,697,507.51/697,438.12 - Step 6: Final answer
x = 336,142.65
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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.