Finding the Fourth Proportional to 317,873.94, 438,673.77 and 174,643.26
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Solution
The fourth proportional to 317,873.94, 438,673.77 and 174,643.26 is: 241,011.95
Step by Step Solution
- Step 1: Write the proportion equation
317,873.94 : 438,673.77 = 174,643.26 : x - Step 2: Convert to fraction form
317,873.94/438,673.77 = 174,643.26/x - Step 3: Cross multiply
317,873.94x = 438,673.77 × 174,643.26 - Step 4: Simplify right side
317,873.94x = 76,611,417,269.29 - Step 5: Solve for x
x = 76,611,417,269.29/317,873.94 - Step 6: Final answer
x = 241,011.95
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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.