Finding the Fourth Proportional to 386,303.06, 579,537.63 and 130,161.08
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Solution
The fourth proportional to 386,303.06, 579,537.63 and 130,161.08 is: 195,269.60
Step by Step Solution
- Step 1: Write the proportion equation
386,303.06 : 579,537.63 = 130,161.08 : x - Step 2: Convert to fraction form
386,303.06/579,537.63 = 130,161.08/x - Step 3: Cross multiply
386,303.06x = 579,537.63 × 130,161.08 - Step 4: Simplify right side
386,303.06x = 75,433,243,821.44 - Step 5: Solve for x
x = 75,433,243,821.44/386,303.06 - Step 6: Final answer
x = 195,269.60
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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.