Finding the Fourth Proportional to 569,430.70, 854,474.10 and 214,699.30
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Solution
The fourth proportional to 569,430.70, 854,474.10 and 214,699.30 is: 322,172.64
Step by Step Solution
- Step 1: Write the proportion equation
569,430.70 : 854,474.10 = 214,699.30 : x - Step 2: Convert to fraction form
569,430.70/854,474.10 = 214,699.30/x - Step 3: Cross multiply
569,430.70x = 854,474.10 × 214,699.30 - Step 4: Simplify right side
569,430.70x = 183,454,991,138.13 - Step 5: Solve for x
x = 183,454,991,138.13/569,430.70 - Step 6: Final answer
x = 322,172.64
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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.