Finding the Fourth Proportional to 425,405.28, 637,506.36 and 235,949.12
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Solution
The fourth proportional to 425,405.28, 637,506.36 and 235,949.12 is: 353,590.03
Step by Step Solution
- Step 1: Write the proportion equation
425,405.28 : 637,506.36 = 235,949.12 : x - Step 2: Convert to fraction form
425,405.28/637,506.36 = 235,949.12/x - Step 3: Cross multiply
425,405.28x = 637,506.36 × 235,949.12 - Step 4: Simplify right side
425,405.28x = 150,419,064,636.40 - Step 5: Solve for x
x = 150,419,064,636.40/425,405.28 - Step 6: Final answer
x = 353,590.03
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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.