Finding the Fourth Proportional to 446,917.71, 616,739.07 and 242,973.70
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Solution
The fourth proportional to 446,917.71, 616,739.07 and 242,973.70 is: 335,299.70
Step by Step Solution
- Step 1: Write the proportion equation
446,917.71 : 616,739.07 = 242,973.70 : x - Step 2: Convert to fraction form
446,917.71/616,739.07 = 242,973.70/x - Step 3: Cross multiply
446,917.71x = 616,739.07 × 242,973.70 - Step 4: Simplify right side
446,917.71x = 149,851,373,772.46 - Step 5: Solve for x
x = 149,851,373,772.46/446,917.71 - Step 6: Final answer
x = 335,299.70
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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.