Finding the Fourth Proportional to 447,914.13, 618,121.52 and 246,710.13
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Solution
The fourth proportional to 447,914.13, 618,121.52 and 246,710.13 is: 340,459.99
Step by Step Solution
- Step 1: Write the proportion equation
447,914.13 : 618,121.52 = 246,710.13 : x - Step 2: Convert to fraction form
447,914.13/618,121.52 = 246,710.13/x - Step 3: Cross multiply
447,914.13x = 618,121.52 × 246,710.13 - Step 4: Simplify right side
447,914.13x = 152,496,840,555.00 - Step 5: Solve for x
x = 152,496,840,555.00/447,914.13 - Step 6: Final answer
x = 340,459.99
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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.