Finding the Fourth Proportional to 202,267.30, 303,400.95 and 139,281.70
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Solution
The fourth proportional to 202,267.30, 303,400.95 and 139,281.70 is: 208,922.55
Step by Step Solution
- Step 1: Write the proportion equation
202,267.30 : 303,400.95 = 139,281.70 : x - Step 2: Convert to fraction form
202,267.30/303,400.95 = 139,281.70/x - Step 3: Cross multiply
202,267.30x = 303,400.95 × 139,281.70 - Step 4: Simplify right side
202,267.30x = 42,258,200,097.62 - Step 5: Solve for x
x = 42,258,200,097.62/202,267.30 - Step 6: Final answer
x = 208,922.55
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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.