Finding the Fourth Proportional to 447,903.64, 618,107.01 and 246,699.64
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Solution
The fourth proportional to 447,903.64, 618,107.01 and 246,699.64 is: 340,445.50
Step by Step Solution
- Step 1: Write the proportion equation
447,903.64 : 618,107.01 = 246,699.64 : x - Step 2: Convert to fraction form
447,903.64/618,107.01 = 246,699.64/x - Step 3: Cross multiply
447,903.64x = 618,107.01 × 246,699.64 - Step 4: Simplify right side
447,903.64x = 152,486,776,848.48 - Step 5: Solve for x
x = 152,486,776,848.48/447,903.64 - Step 6: Final answer
x = 340,445.50
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1.5x scale
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.