Finding the Fourth Proportional to 490,351.46, 735,569.51 and 135,365.54
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Solution
The fourth proportional to 490,351.46, 735,569.51 and 135,365.54 is: 203,059.99
Step by Step Solution
- Step 1: Write the proportion equation
490,351.46 : 735,569.51 = 135,365.54 : x - Step 2: Convert to fraction form
490,351.46/735,569.51 = 135,365.54/x - Step 3: Cross multiply
490,351.46x = 735,569.51 × 135,365.54 - Step 4: Simplify right side
490,351.46x = 99,570,759,574.01 - Step 5: Solve for x
x = 99,570,759,574.01/490,351.46 - Step 6: Final answer
x = 203,059.99
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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.