Finding the Fourth Proportional to 510,938.25, 705,094.97 and 296,202.79
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Solution
The fourth proportional to 510,938.25, 705,094.97 and 296,202.79 is: 408,759.96
Step by Step Solution
- Step 1: Write the proportion equation
510,938.25 : 705,094.97 = 296,202.79 : x - Step 2: Convert to fraction form
510,938.25/705,094.97 = 296,202.79/x - Step 3: Cross multiply
510,938.25x = 705,094.97 × 296,202.79 - Step 4: Simplify right side
510,938.25x = 208,851,097,328.97 - Step 5: Solve for x
x = 208,851,097,328.97/510,938.25 - Step 6: Final answer
x = 408,759.96
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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.