Finding the Fourth Proportional to 416,070.74, 574,178.22 and 225,083.68
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Solution
The fourth proportional to 416,070.74, 574,178.22 and 225,083.68 is: 310,615.80
Step by Step Solution
- Step 1: Write the proportion equation
416,070.74 : 574,178.22 = 225,083.68 : x - Step 2: Convert to fraction form
416,070.74/574,178.22 = 225,083.68/x - Step 3: Cross multiply
416,070.74x = 574,178.22 × 225,083.68 - Step 4: Simplify right side
416,070.74x = 129,238,145,298.00 - Step 5: Solve for x
x = 129,238,145,298.00/416,070.74 - Step 6: Final answer
x = 310,615.80
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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.