Finding the Fourth Proportional to 235,442.99, 352,817.10 and 139,280.75
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Solution
The fourth proportional to 235,442.99, 352,817.10 and 139,280.75 is: 208,715.62
Step by Step Solution
- Step 1: Write the proportion equation
235,442.99 : 352,817.10 = 139,280.75 : x - Step 2: Convert to fraction form
235,442.99/352,817.10 = 139,280.75/x - Step 3: Cross multiply
235,442.99x = 352,817.10 × 139,280.75 - Step 4: Simplify right side
235,442.99x = 49,140,630,300.83 - Step 5: Solve for x
x = 49,140,630,300.83/235,442.99 - Step 6: Final answer
x = 208,715.62
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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.