Finding the Fourth Proportional to 557,181.99, 768,912.14 and 302,533.18
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Solution
The fourth proportional to 557,181.99, 768,912.14 and 302,533.18 is: 417,496.33
Step by Step Solution
- Step 1: Write the proportion equation
557,181.99 : 768,912.14 = 302,533.18 : x - Step 2: Convert to fraction form
557,181.99/768,912.14 = 302,533.18/x - Step 3: Cross multiply
557,181.99x = 768,912.14 × 302,533.18 - Step 4: Simplify right side
557,181.99x = 232,621,433,688.86 - Step 5: Solve for x
x = 232,621,433,688.86/557,181.99 - Step 6: Final answer
x = 417,496.33
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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.