Finding the Fourth Proportional to 453,107.49, 679,617.36 and 137,567.13
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Solution
The fourth proportional to 453,107.49, 679,617.36 and 137,567.13 is: 206,337.37
Step by Step Solution
- Step 1: Write the proportion equation
453,107.49 : 679,617.36 = 137,567.13 : x - Step 2: Convert to fraction form
453,107.49/679,617.36 = 137,567.13/x - Step 3: Cross multiply
453,107.49x = 679,617.36 × 137,567.13 - Step 4: Simplify right side
453,107.49x = 93,493,009,713.38 - Step 5: Solve for x
x = 93,493,009,713.38/453,107.49 - Step 6: Final answer
x = 206,337.37
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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.