Finding the Fourth Proportional to 611,149.18, 843,373.16 and 339,201.12
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Solution
The fourth proportional to 611,149.18, 843,373.16 and 339,201.12 is: 468,090.49
Step by Step Solution
- Step 1: Write the proportion equation
611,149.18 : 843,373.16 = 339,201.12 : x - Step 2: Convert to fraction form
611,149.18/843,373.16 = 339,201.12/x - Step 3: Cross multiply
611,149.18x = 843,373.16 × 339,201.12 - Step 4: Simplify right side
611,149.18x = 286,073,120,449.94 - Step 5: Solve for x
x = 286,073,120,449.94/611,149.18 - Step 6: Final answer
x = 468,090.49
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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.