Finding the Fourth Proportional to 446,485.14, 616,159.17 and 245,294.10
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Solution
The fourth proportional to 446,485.14, 616,159.17 and 245,294.10 is: 338,511.17
Step by Step Solution
- Step 1: Write the proportion equation
446,485.14 : 616,159.17 = 245,294.10 : x - Step 2: Convert to fraction form
446,485.14/616,159.17 = 245,294.10/x - Step 3: Cross multiply
446,485.14x = 616,159.17 × 245,294.10 - Step 4: Simplify right side
446,485.14x = 151,140,209,061.90 - Step 5: Solve for x
x = 151,140,209,061.90/446,485.14 - Step 6: Final answer
x = 338,511.17
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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.