Finding the Fourth Proportional to 561,688.65, 775,130.37 and 303,564.84
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Solution
The fourth proportional to 561,688.65, 775,130.37 and 303,564.84 is: 418,919.50
Step by Step Solution
- Step 1: Write the proportion equation
561,688.65 : 775,130.37 = 303,564.84 : x - Step 2: Convert to fraction form
561,688.65/775,130.37 = 303,564.84/x - Step 3: Cross multiply
561,688.65x = 775,130.37 × 303,564.84 - Step 4: Simplify right side
561,688.65x = 235,302,326,748.19 - Step 5: Solve for x
x = 235,302,326,748.19/561,688.65 - Step 6: Final answer
x = 418,919.50
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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.