Finding the Fourth Proportional to 619,342.84, 854,491.26 and 361,161.28
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Solution
The fourth proportional to 619,342.84, 854,491.26 and 361,161.28 is: 498,284.85
Step by Step Solution
- Step 1: Write the proportion equation
619,342.84 : 854,491.26 = 361,161.28 : x - Step 2: Convert to fraction form
619,342.84/854,491.26 = 361,161.28/x - Step 3: Cross multiply
619,342.84x = 854,491.26 × 361,161.28 - Step 4: Simplify right side
619,342.84x = 308,609,157,210.41 - Step 5: Solve for x
x = 308,609,157,210.41/619,342.84 - Step 6: Final answer
x = 498,284.85
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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.