Finding the Fourth Proportional to 435,457.13, 653,188.01 and 135,912.63
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Solution
The fourth proportional to 435,457.13, 653,188.01 and 135,912.63 is: 203,869.67
Step by Step Solution
- Step 1: Write the proportion equation
435,457.13 : 653,188.01 = 135,912.63 : x - Step 2: Convert to fraction form
435,457.13/653,188.01 = 135,912.63/x - Step 3: Cross multiply
435,457.13x = 653,188.01 × 135,912.63 - Step 4: Simplify right side
435,457.13x = 88,776,500,323.57 - Step 5: Solve for x
x = 88,776,500,323.57/435,457.13 - Step 6: Final answer
x = 203,869.67
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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.