Finding the Fourth Proportional to 345,355.56, 476,624.80 and 202,107.06
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Solution
The fourth proportional to 345,355.56, 476,624.80 and 202,107.06 is: 278,927.71
Step by Step Solution
- Step 1: Write the proportion equation
345,355.56 : 476,624.80 = 202,107.06 : x - Step 2: Convert to fraction form
345,355.56/476,624.80 = 202,107.06/x - Step 3: Cross multiply
345,355.56x = 476,624.80 × 202,107.06 - Step 4: Simplify right side
345,355.56x = 96,329,237,051.09 - Step 5: Solve for x
x = 96,329,237,051.09/345,355.56 - Step 6: Final answer
x = 278,927.71
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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.