Finding the Fourth Proportional to 448,065.24, 671,397.70 and 281,503.32
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Solution
The fourth proportional to 448,065.24, 671,397.70 and 281,503.32 is: 421,815.09
Step by Step Solution
- Step 1: Write the proportion equation
448,065.24 : 671,397.70 = 281,503.32 : x - Step 2: Convert to fraction form
448,065.24/671,397.70 = 281,503.32/x - Step 3: Cross multiply
448,065.24x = 671,397.70 × 281,503.32 - Step 4: Simplify right side
448,065.24x = 189,000,681,590.36 - Step 5: Solve for x
x = 189,000,681,590.36/448,065.24 - Step 6: Final answer
x = 421,815.09
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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.