Finding the Fourth Proportional to 211,603.23, 317,237.83 and 104,913.62
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Solution
The fourth proportional to 211,603.23, 317,237.83 and 104,913.62 is: 157,287.63
Step by Step Solution
- Step 1: Write the proportion equation
211,603.23 : 317,237.83 = 104,913.62 : x - Step 2: Convert to fraction form
211,603.23/317,237.83 = 104,913.62/x - Step 3: Cross multiply
211,603.23x = 317,237.83 × 104,913.62 - Step 4: Simplify right side
211,603.23x = 33,282,569,677.06 - Step 5: Solve for x
x = 33,282,569,677.06/211,603.23 - Step 6: Final answer
x = 157,287.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.