Finding the Fourth Proportional to 371,560.55, 512,785.18 and 210,444.26
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Solution
The fourth proportional to 371,560.55, 512,785.18 and 210,444.26 is: 290,430.99
Step by Step Solution
- Step 1: Write the proportion equation
371,560.55 : 512,785.18 = 210,444.26 : x - Step 2: Convert to fraction form
371,560.55/512,785.18 = 210,444.26/x - Step 3: Cross multiply
371,560.55x = 512,785.18 × 210,444.26 - Step 4: Simplify right side
371,560.55x = 107,912,697,744.07 - Step 5: Solve for x
x = 107,912,697,744.07/371,560.55 - Step 6: Final answer
x = 290,430.99
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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.