Finding the Fourth Proportional to 303,368.20, 455,708.40 and 214,794.70
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Solution
The fourth proportional to 303,368.20, 455,708.40 and 214,794.70 is: 322,656.59
Step by Step Solution
- Step 1: Write the proportion equation
303,368.20 : 455,708.40 = 214,794.70 : x - Step 2: Convert to fraction form
303,368.20/455,708.40 = 214,794.70/x - Step 3: Cross multiply
303,368.20x = 455,708.40 × 214,794.70 - Step 4: Simplify right side
303,368.20x = 97,883,749,065.48 - Step 5: Solve for x
x = 97,883,749,065.48/303,368.20 - Step 6: Final answer
x = 322,656.59
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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.