Finding the Fourth Proportional to 490,657.02, 735,985.26 and 130,828.02
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Solution
The fourth proportional to 490,657.02, 735,985.26 and 130,828.02 is: 196,241.96
Step by Step Solution
- Step 1: Write the proportion equation
490,657.02 : 735,985.26 = 130,828.02 : x - Step 2: Convert to fraction form
490,657.02/735,985.26 = 130,828.02/x - Step 3: Cross multiply
490,657.02x = 735,985.26 × 130,828.02 - Step 4: Simplify right side
490,657.02x = 96,287,494,314.99 - Step 5: Solve for x
x = 96,287,494,314.99/490,657.02 - Step 6: Final answer
x = 196,241.96
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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.