Finding the Fourth Proportional to 292,020.24, 438,768.48 and 280,210.48
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Solution
The fourth proportional to 292,020.24, 438,768.48 and 280,210.48 is: 421,023.99
Step by Step Solution
- Step 1: Write the proportion equation
292,020.24 : 438,768.48 = 280,210.48 : x - Step 2: Convert to fraction form
292,020.24/438,768.48 = 280,210.48/x - Step 3: Cross multiply
292,020.24x = 438,768.48 × 280,210.48 - Step 4: Simplify right side
292,020.24x = 122,947,526,389.67 - Step 5: Solve for x
x = 122,947,526,389.67/292,020.24 - Step 6: Final answer
x = 421,023.99
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1.5x scale
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.