Finding the Fourth Proportional to 430,467.36, 645,698.88 and 110,618.88
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Solution
The fourth proportional to 430,467.36, 645,698.88 and 110,618.88 is: 165,927.76
Step by Step Solution
- Step 1: Write the proportion equation
430,467.36 : 645,698.88 = 110,618.88 : x - Step 2: Convert to fraction form
430,467.36/645,698.88 = 110,618.88/x - Step 3: Cross multiply
430,467.36x = 645,698.88 × 110,618.88 - Step 4: Simplify right side
430,467.36x = 71,426,486,922.85 - Step 5: Solve for x
x = 71,426,486,922.85/430,467.36 - Step 6: Final answer
x = 165,927.76
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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.