Finding the Fourth Proportional to 453,902.17, 626,386.78 and 272,617.19
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Solution
The fourth proportional to 453,902.17, 626,386.78 and 272,617.19 is: 376,212.79
Step by Step Solution
- Step 1: Write the proportion equation
453,902.17 : 626,386.78 = 272,617.19 : x - Step 2: Convert to fraction form
453,902.17/626,386.78 = 272,617.19/x - Step 3: Cross multiply
453,902.17x = 626,386.78 × 272,617.19 - Step 4: Simplify right side
453,902.17x = 170,763,800,684.81 - Step 5: Solve for x
x = 170,763,800,684.81/453,902.17 - Step 6: Final answer
x = 376,212.79
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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.