Finding the Fourth Proportional to 371,303.36, 512,398.68 and 201,537.44
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Solution
The fourth proportional to 371,303.36, 512,398.68 and 201,537.44 is: 278,121.69
Step by Step Solution
- Step 1: Write the proportion equation
371,303.36 : 512,398.68 = 201,537.44 : x - Step 2: Convert to fraction form
371,303.36/512,398.68 = 201,537.44/x - Step 3: Cross multiply
371,303.36x = 512,398.68 × 201,537.44 - Step 4: Simplify right side
371,303.36x = 103,267,518,226.58 - Step 5: Solve for x
x = 103,267,518,226.58/371,303.36 - Step 6: Final answer
x = 278,121.69
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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.