Finding the Fourth Proportional to 448,634.80, 619,098.84 and 247,430.80
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Solution
The fourth proportional to 448,634.80, 619,098.84 and 247,430.80 is: 341,445.03
Step by Step Solution
- Step 1: Write the proportion equation
448,634.80 : 619,098.84 = 247,430.80 : x - Step 2: Convert to fraction form
448,634.80/619,098.84 = 247,430.80/x - Step 3: Cross multiply
448,634.80x = 619,098.84 × 247,430.80 - Step 4: Simplify right side
448,634.80x = 153,184,121,260.27 - Step 5: Solve for x
x = 153,184,121,260.27/448,634.80 - Step 6: Final answer
x = 341,445.03
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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.