Finding the Fourth Proportional to 440,021.84, 607,230.14 and 238,817.84
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Solution
The fourth proportional to 440,021.84, 607,230.14 and 238,817.84 is: 329,568.62
Step by Step Solution
- Step 1: Write the proportion equation
440,021.84 : 607,230.14 = 238,817.84 : x - Step 2: Convert to fraction form
440,021.84/607,230.14 = 238,817.84/x - Step 3: Cross multiply
440,021.84x = 607,230.14 × 238,817.84 - Step 4: Simplify right side
440,021.84x = 145,017,390,417.70 - Step 5: Solve for x
x = 145,017,390,417.70/440,021.84 - Step 6: Final answer
x = 329,568.62
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1.5x scale
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.