Finding the Fourth Proportional to 509,177.53, 702,677.36 and 279,749.67
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Solution
The fourth proportional to 509,177.53, 702,677.36 and 279,749.67 is: 386,061.34
Step by Step Solution
- Step 1: Write the proportion equation
509,177.53 : 702,677.36 = 279,749.67 : x - Step 2: Convert to fraction form
509,177.53/702,677.36 = 279,749.67/x - Step 3: Cross multiply
509,177.53x = 702,677.36 × 279,749.67 - Step 4: Simplify right side
509,177.53x = 196,573,757,640.81 - Step 5: Solve for x
x = 196,573,757,640.81/509,177.53 - Step 6: Final answer
x = 386,061.34
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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.