Finding the Fourth Proportional to 545,454.23, 817,279.19 and 278,847.99
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Solution
The fourth proportional to 545,454.23, 817,279.19 and 278,847.99 is: 417,810.79
Step by Step Solution
- Step 1: Write the proportion equation
545,454.23 : 817,279.19 = 278,847.99 : x - Step 2: Convert to fraction form
545,454.23/817,279.19 = 278,847.99/x - Step 3: Cross multiply
545,454.23x = 817,279.19 × 278,847.99 - Step 4: Simplify right side
545,454.23x = 227,896,658,006.09 - Step 5: Solve for x
x = 227,896,658,006.09/545,454.23 - Step 6: Final answer
x = 417,810.79
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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.