Finding the Fourth Proportional to 447,590.21, 617,682.36 and 243,646.99
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Solution
The fourth proportional to 447,590.21, 617,682.36 and 243,646.99 is: 336,237.13
Step by Step Solution
- Step 1: Write the proportion equation
447,590.21 : 617,682.36 = 243,646.99 : x - Step 2: Convert to fraction form
447,590.21/617,682.36 = 243,646.99/x - Step 3: Cross multiply
447,590.21x = 617,682.36 × 243,646.99 - Step 4: Simplify right side
447,590.21x = 150,496,445,789.05 - Step 5: Solve for x
x = 150,496,445,789.05/447,590.21 - Step 6: Final answer
x = 336,237.13
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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.