Finding the Fourth Proportional to 447,774.11, 617,728.37 and 302,533.01
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Solution
The fourth proportional to 447,774.11, 617,728.37 and 302,533.01 is: 417,360.49
Step by Step Solution
- Step 1: Write the proportion equation
447,774.11 : 617,728.37 = 302,533.01 : x - Step 2: Convert to fraction form
447,774.11/617,728.37 = 302,533.01/x - Step 3: Cross multiply
447,774.11x = 617,728.37 × 302,533.01 - Step 4: Simplify right side
447,774.11x = 186,883,218,537.19 - Step 5: Solve for x
x = 186,883,218,537.19/447,774.11 - Step 6: Final answer
x = 417,360.49
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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.