Finding the Fourth Proportional to 645,905.09, 968,997.66 and 196,614.21
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Solution
The fourth proportional to 645,905.09, 968,997.66 and 196,614.21 is: 294,963.94
Step by Step Solution
- Step 1: Write the proportion equation
645,905.09 : 968,997.66 = 196,614.21 : x - Step 2: Convert to fraction form
645,905.09/968,997.66 = 196,614.21/x - Step 3: Cross multiply
645,905.09x = 968,997.66 × 196,614.21 - Step 4: Simplify right side
645,905.09x = 190,518,712,309.19 - Step 5: Solve for x
x = 190,518,712,309.19/645,905.09 - Step 6: Final answer
x = 294,963.94
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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.