Finding the Fourth Proportional to 347,928.81, 480,133.62 and 204,698.07
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Solution
The fourth proportional to 347,928.81, 480,133.62 and 204,698.07 is: 282,478.55
Step by Step Solution
- Step 1: Write the proportion equation
347,928.81 : 480,133.62 = 204,698.07 : x - Step 2: Convert to fraction form
347,928.81/480,133.62 = 204,698.07/x - Step 3: Cross multiply
347,928.81x = 480,133.62 × 204,698.07 - Step 4: Simplify right side
347,928.81x = 98,282,425,356.11 - Step 5: Solve for x
x = 98,282,425,356.11/347,928.81 - Step 6: Final answer
x = 282,478.55
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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.