Finding the Fourth Proportional to 535,007.28, 738,362.84 and 305,598.84
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Solution
The fourth proportional to 535,007.28, 738,362.84 and 305,598.84 is: 421,756.56
Step by Step Solution
- Step 1: Write the proportion equation
535,007.28 : 738,362.84 = 305,598.84 : x - Step 2: Convert to fraction form
535,007.28/738,362.84 = 305,598.84/x - Step 3: Cross multiply
535,007.28x = 738,362.84 × 305,598.84 - Step 4: Simplify right side
535,007.28x = 225,642,827,403.11 - Step 5: Solve for x
x = 225,642,827,403.11/535,007.28 - Step 6: Final answer
x = 421,756.56
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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.