Finding the Fourth Proportional to 270,147.21, 372,804.29 and 147,642.09
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Solution
The fourth proportional to 270,147.21, 372,804.29 and 147,642.09 is: 203,746.71
Step by Step Solution
- Step 1: Write the proportion equation
270,147.21 : 372,804.29 = 147,642.09 : x - Step 2: Convert to fraction form
270,147.21/372,804.29 = 147,642.09/x - Step 3: Cross multiply
270,147.21x = 372,804.29 × 147,642.09 - Step 4: Simplify right side
270,147.21x = 55,041,604,536.57 - Step 5: Solve for x
x = 55,041,604,536.57/270,147.21 - Step 6: Final answer
x = 203,746.71
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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.