Finding the Fourth Proportional to 303,590.70, 455,386.05 and 93,201.30
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Solution
The fourth proportional to 303,590.70, 455,386.05 and 93,201.30 is: 139,801.95
Step by Step Solution
- Step 1: Write the proportion equation
303,590.70 : 455,386.05 = 93,201.30 : x - Step 2: Convert to fraction form
303,590.70/455,386.05 = 93,201.30/x - Step 3: Cross multiply
303,590.70x = 455,386.05 × 93,201.30 - Step 4: Simplify right side
303,590.70x = 42,442,571,861.87 - Step 5: Solve for x
x = 42,442,571,861.87/303,590.70 - Step 6: Final answer
x = 139,801.95
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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.