Finding the Fourth Proportional to 453,943.74, 626,419.68 and 250,012.28
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Solution
The fourth proportional to 453,943.74, 626,419.68 and 250,012.28 is: 345,004.45
Step by Step Solution
- Step 1: Write the proportion equation
453,943.74 : 626,419.68 = 250,012.28 : x - Step 2: Convert to fraction form
453,943.74/626,419.68 = 250,012.28/x - Step 3: Cross multiply
453,943.74x = 626,419.68 × 250,012.28 - Step 4: Simplify right side
453,943.74x = 156,612,612,433.67 - Step 5: Solve for x
x = 156,612,612,433.67/453,943.74 - Step 6: Final answer
x = 345,004.45
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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.