Finding the Fourth Proportional to 632,139.06, 872,183.70 and 360,201.15
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Solution
The fourth proportional to 632,139.06, 872,183.70 and 360,201.15 is: 496,981.75
Step by Step Solution
- Step 1: Write the proportion equation
632,139.06 : 872,183.70 = 360,201.15 : x - Step 2: Convert to fraction form
632,139.06/872,183.70 = 360,201.15/x - Step 3: Cross multiply
632,139.06x = 872,183.70 × 360,201.15 - Step 4: Simplify right side
632,139.06x = 314,161,574,832.22 - Step 5: Solve for x
x = 314,161,574,832.22/632,139.06 - Step 6: Final answer
x = 496,981.75
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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.