Finding the Fourth Proportional to 412,671.12, 619,006.86 and 272,396.94
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Solution
The fourth proportional to 412,671.12, 619,006.86 and 272,396.94 is: 408,595.53
Step by Step Solution
- Step 1: Write the proportion equation
412,671.12 : 619,006.86 = 272,396.94 : x - Step 2: Convert to fraction form
412,671.12/619,006.86 = 272,396.94/x - Step 3: Cross multiply
412,671.12x = 619,006.86 × 272,396.94 - Step 4: Simplify right side
412,671.12x = 168,615,574,503.01 - Step 5: Solve for x
x = 168,615,574,503.01/412,671.12 - Step 6: Final answer
x = 408,595.53
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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.