Finding the Fourth Proportional to 490,421.08, 735,640.86 and 135,444.52
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Solution
The fourth proportional to 490,421.08, 735,640.86 and 135,444.52 is: 203,169.33
Step by Step Solution
- Step 1: Write the proportion equation
490,421.08 : 735,640.86 = 135,444.52 : x - Step 2: Convert to fraction form
490,421.08/735,640.86 = 135,444.52/x - Step 3: Cross multiply
490,421.08x = 735,640.86 × 135,444.52 - Step 4: Simplify right side
490,421.08x = 99,638,519,496.88 - Step 5: Solve for x
x = 99,638,519,496.88/490,421.08 - Step 6: Final answer
x = 203,169.33
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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.