Finding the Fourth Proportional to 490,271.95, 735,450.32 and 135,285.99
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Solution
The fourth proportional to 490,271.95, 735,450.32 and 135,285.99 is: 202,940.68
Step by Step Solution
- Step 1: Write the proportion equation
490,271.95 : 735,450.32 = 135,285.99 : x - Step 2: Convert to fraction form
490,271.95/735,450.32 = 135,285.99/x - Step 3: Cross multiply
490,271.95x = 735,450.32 × 135,285.99 - Step 4: Simplify right side
490,271.95x = 99,496,124,637.02 - Step 5: Solve for x
x = 99,496,124,637.02/490,271.95 - Step 6: Final answer
x = 202,940.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.