Finding the Fourth Proportional to 380,346.87, 524,913.89 and 210,580.99
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Solution
The fourth proportional to 380,346.87, 524,913.89 and 210,580.99 is: 290,621.26
Step by Step Solution
- Step 1: Write the proportion equation
380,346.87 : 524,913.89 = 210,580.99 : x - Step 2: Convert to fraction form
380,346.87/524,913.89 = 210,580.99/x - Step 3: Cross multiply
380,346.87x = 524,913.89 × 210,580.99 - Step 4: Simplify right side
380,346.87x = 110,536,886,620.95 - Step 5: Solve for x
x = 110,536,886,620.95/380,346.87 - Step 6: Final answer
x = 290,621.26
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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.