Finding the Fourth Proportional to 143,750.36, 215,362.68 and 104,209.40
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Solution
The fourth proportional to 143,750.36, 215,362.68 and 104,209.40 is: 156,123.54
Step by Step Solution
- Step 1: Write the proportion equation
143,750.36 : 215,362.68 = 104,209.40 : x - Step 2: Convert to fraction form
143,750.36/215,362.68 = 104,209.40/x - Step 3: Cross multiply
143,750.36x = 215,362.68 × 104,209.40 - Step 4: Simplify right side
143,750.36x = 22,442,815,665.19 - Step 5: Solve for x
x = 22,442,815,665.19/143,750.36 - Step 6: Final answer
x = 156,123.54
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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.