Finding the Fourth Proportional to 307,354.95, 424,138.68 and 178,295.99
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Solution
The fourth proportional to 307,354.95, 424,138.68 and 178,295.99 is: 246,041.99
Step by Step Solution
- Step 1: Write the proportion equation
307,354.95 : 424,138.68 = 178,295.99 : x - Step 2: Convert to fraction form
307,354.95/424,138.68 = 178,295.99/x - Step 3: Cross multiply
307,354.95x = 424,138.68 × 178,295.99 - Step 4: Simplify right side
307,354.95x = 75,622,223,727.20 - Step 5: Solve for x
x = 75,622,223,727.20/307,354.95 - Step 6: Final answer
x = 246,041.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.