Finding the Fourth Proportional to 413,973.59, 621,201.25 and 174,070.09
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Solution
The fourth proportional to 413,973.59, 621,201.25 and 174,070.09 is: 261,206.42
Step by Step Solution
- Step 1: Write the proportion equation
413,973.59 : 621,201.25 = 174,070.09 : x - Step 2: Convert to fraction form
413,973.59/621,201.25 = 174,070.09/x - Step 3: Cross multiply
413,973.59x = 621,201.25 × 174,070.09 - Step 4: Simplify right side
413,973.59x = 108,132,556,742.57 - Step 5: Solve for x
x = 108,132,556,742.57/413,973.59 - Step 6: Final answer
x = 261,206.42
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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.