Finding the Fourth Proportional to 447,911.14, 618,117.34 and 246,707.14
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Solution
The fourth proportional to 447,911.14, 618,117.34 and 246,707.14 is: 340,455.83
Step by Step Solution
- Step 1: Write the proportion equation
447,911.14 : 618,117.34 = 246,707.14 : x - Step 2: Convert to fraction form
447,911.14/618,117.34 = 246,707.14/x - Step 3: Cross multiply
447,911.14x = 618,117.34 × 246,707.14 - Step 4: Simplify right side
447,911.14x = 152,493,961,135.81 - Step 5: Solve for x
x = 152,493,961,135.81/447,911.14 - Step 6: Final answer
x = 340,455.83
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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.