Finding the Fourth Proportional to 490,436.70, 735,108.30 and 190,817.70
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Solution
The fourth proportional to 490,436.70, 735,108.30 and 190,817.70 is: 286,013.82
Step by Step Solution
- Step 1: Write the proportion equation
490,436.70 : 735,108.30 = 190,817.70 : x - Step 2: Convert to fraction form
490,436.70/735,108.30 = 190,817.70/x - Step 3: Cross multiply
490,436.70x = 735,108.30 × 190,817.70 - Step 4: Simplify right side
490,436.70x = 140,271,675,056.91 - Step 5: Solve for x
x = 140,271,675,056.91/490,436.70 - Step 6: Final answer
x = 286,013.82
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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.