Finding the Fourth Proportional to 611,174.24, 843,404.64 and 339,228.08
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Solution
The fourth proportional to 611,174.24, 843,404.64 and 339,228.08 is: 468,125.97
Step by Step Solution
- Step 1: Write the proportion equation
611,174.24 : 843,404.64 = 339,228.08 : x - Step 2: Convert to fraction form
611,174.24/843,404.64 = 339,228.08/x - Step 3: Cross multiply
611,174.24x = 843,404.64 × 339,228.08 - Step 4: Simplify right side
611,174.24x = 286,106,536,690.29 - Step 5: Solve for x
x = 286,106,536,690.29/611,174.24 - Step 6: Final answer
x = 468,125.97
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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.