Finding the Fourth Proportional to 371,226.08, 512,291.68 and 210,078.24
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Solution
The fourth proportional to 371,226.08, 512,291.68 and 210,078.24 is: 289,907.80
Step by Step Solution
- Step 1: Write the proportion equation
371,226.08 : 512,291.68 = 210,078.24 : x - Step 2: Convert to fraction form
371,226.08/512,291.68 = 210,078.24/x - Step 3: Cross multiply
371,226.08x = 512,291.68 × 210,078.24 - Step 4: Simplify right side
371,226.08x = 107,621,334,501.04 - Step 5: Solve for x
x = 107,621,334,501.04/371,226.08 - Step 6: Final answer
x = 289,907.80
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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.