Finding the Fourth Proportional to 458,868.24, 688,302.36 and 143,350.02
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Solution
The fourth proportional to 458,868.24, 688,302.36 and 143,350.02 is: 215,025.03
Step by Step Solution
- Step 1: Write the proportion equation
458,868.24 : 688,302.36 = 143,350.02 : x - Step 2: Convert to fraction form
458,868.24/688,302.36 = 143,350.02/x - Step 3: Cross multiply
458,868.24x = 688,302.36 × 143,350.02 - Step 4: Simplify right side
458,868.24x = 98,668,157,072.05 - Step 5: Solve for x
x = 98,668,157,072.05/458,868.24 - Step 6: Final answer
x = 215,025.03
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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.