Finding the Fourth Proportional to 382,964.44, 528,571.02 and 230,009.74
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Solution
The fourth proportional to 382,964.44, 528,571.02 and 230,009.74 is: 317,461.55
Step by Step Solution
- Step 1: Write the proportion equation
382,964.44 : 528,571.02 = 230,009.74 : x - Step 2: Convert to fraction form
382,964.44/528,571.02 = 230,009.74/x - Step 3: Cross multiply
382,964.44x = 528,571.02 × 230,009.74 - Step 4: Simplify right side
382,964.44x = 121,576,482,881.74 - Step 5: Solve for x
x = 121,576,482,881.74/382,964.44 - Step 6: Final answer
x = 317,461.55
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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.