Finding the Fourth Proportional to 317,448.90, 438,092.14 and 174,214.08
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Solution
The fourth proportional to 317,448.90, 438,092.14 and 174,214.08 is: 240,422.38
Step by Step Solution
- Step 1: Write the proportion equation
317,448.90 : 438,092.14 = 174,214.08 : x - Step 2: Convert to fraction form
317,448.90/438,092.14 = 174,214.08/x - Step 3: Cross multiply
317,448.90x = 438,092.14 × 174,214.08 - Step 4: Simplify right side
317,448.90x = 76,321,819,125.33 - Step 5: Solve for x
x = 76,321,819,125.33/317,448.90 - Step 6: Final answer
x = 240,422.38
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1.5x scale
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.