Finding the Fourth Proportional to 448,697.19, 619,159.10 and 247,480.23
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Solution
The fourth proportional to 448,697.19, 619,159.10 and 247,480.23 is: 341,498.99
Step by Step Solution
- Step 1: Write the proportion equation
448,697.19 : 619,159.10 = 247,480.23 : x - Step 2: Convert to fraction form
448,697.19/619,159.10 = 247,480.23/x - Step 3: Cross multiply
448,697.19x = 619,159.10 × 247,480.23 - Step 4: Simplify right side
448,697.19x = 153,229,635,237.19 - Step 5: Solve for x
x = 153,229,635,237.19/448,697.19 - Step 6: Final answer
x = 341,498.99
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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.