Finding the Fourth Proportional to 431,189.10, 595,041.12 and 250,006.68
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Solution
The fourth proportional to 431,189.10, 595,041.12 and 250,006.68 is: 345,009.31
Step by Step Solution
- Step 1: Write the proportion equation
431,189.10 : 595,041.12 = 250,006.68 : x - Step 2: Convert to fraction form
431,189.10/595,041.12 = 250,006.68/x - Step 3: Cross multiply
431,189.10x = 595,041.12 × 250,006.68 - Step 4: Simplify right side
431,189.10x = 148,764,254,874.68 - Step 5: Solve for x
x = 148,764,254,874.68/431,189.10 - Step 6: Final answer
x = 345,009.31
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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.