Finding the Fourth Proportional to 720,217.91, 1,080,303.62 and 214,783.08
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Solution
The fourth proportional to 720,217.91, 1,080,303.62 and 214,783.08 is: 322,167.69
Step by Step Solution
- Step 1: Write the proportion equation
720,217.91 : 1,080,303.62 = 214,783.08 : x - Step 2: Convert to fraction form
720,217.91/1,080,303.62 = 214,783.08/x - Step 3: Cross multiply
720,217.91x = 1,080,303.62 × 214,783.08 - Step 4: Simplify right side
720,217.91x = 232,030,937,764.83 - Step 5: Solve for x
x = 232,030,937,764.83/720,217.91 - Step 6: Final answer
x = 322,167.69
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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.