Finding the Fourth Proportional to 490,343.94, 735,558.24 and 135,358.02
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Solution
The fourth proportional to 490,343.94, 735,558.24 and 135,358.02 is: 203,048.72
Step by Step Solution
- Step 1: Write the proportion equation
490,343.94 : 735,558.24 = 135,358.02 : x - Step 2: Convert to fraction form
490,343.94/735,558.24 = 135,358.02/x - Step 3: Cross multiply
490,343.94x = 735,558.24 × 135,358.02 - Step 4: Simplify right side
490,343.94x = 99,563,706,961.08 - Step 5: Solve for x
x = 99,563,706,961.08/490,343.94 - Step 6: Final answer
x = 203,048.72
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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.