Finding the Fourth Proportional to 270,146.21, 372,802.91 and 147,641.09
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Solution
The fourth proportional to 270,146.21, 372,802.91 and 147,641.09 is: 203,745.32
Step by Step Solution
- Step 1: Write the proportion equation
270,146.21 : 372,802.91 = 147,641.09 : x - Step 2: Convert to fraction form
270,146.21/372,802.91 = 147,641.09/x - Step 3: Cross multiply
270,146.21x = 372,802.91 × 147,641.09 - Step 4: Simplify right side
270,146.21x = 55,041,025,385.35 - Step 5: Solve for x
x = 55,041,025,385.35/270,146.21 - Step 6: Final answer
x = 203,745.32
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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.