Finding the Fourth Proportional to 612,735.79, 845,230.26 and 367,657.20
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Solution
The fourth proportional to 612,735.79, 845,230.26 and 367,657.20 is: 507,159.85
Step by Step Solution
- Step 1: Write the proportion equation
612,735.79 : 845,230.26 = 367,657.20 : x - Step 2: Convert to fraction form
612,735.79/845,230.26 = 367,657.20/x - Step 3: Cross multiply
612,735.79x = 845,230.26 × 367,657.20 - Step 4: Simplify right side
612,735.79x = 310,754,990,746.87 - Step 5: Solve for x
x = 310,754,990,746.87/612,735.79 - Step 6: Final answer
x = 507,159.85
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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.