Finding the Fourth Proportional to 346,774.12, 520,311.42 and 122,294.96
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Solution
The fourth proportional to 346,774.12, 520,311.42 and 122,294.96 is: 183,495.42
Step by Step Solution
- Step 1: Write the proportion equation
346,774.12 : 520,311.42 = 122,294.96 : x - Step 2: Convert to fraction form
346,774.12/520,311.42 = 122,294.96/x - Step 3: Cross multiply
346,774.12x = 520,311.42 × 122,294.96 - Step 4: Simplify right side
346,774.12x = 63,631,464,296.44 - Step 5: Solve for x
x = 63,631,464,296.44/346,774.12 - Step 6: Final answer
x = 183,495.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.