Finding the Fourth Proportional to 240,363.42, 331,707.34 and 131,477.99
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Solution
The fourth proportional to 240,363.42, 331,707.34 and 131,477.99 is: 181,442.81
Step by Step Solution
- Step 1: Write the proportion equation
240,363.42 : 331,707.34 = 131,477.99 : x - Step 2: Convert to fraction form
240,363.42/331,707.34 = 131,477.99/x - Step 3: Cross multiply
240,363.42x = 331,707.34 × 131,477.99 - Step 4: Simplify right side
240,363.42x = 43,612,214,331.45 - Step 5: Solve for x
x = 43,612,214,331.45/240,363.42 - Step 6: Final answer
x = 181,442.81
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1.5x scale
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.