Finding the Fourth Proportional to 348,901.21, 481,426.09 and 205,688.96
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Solution
The fourth proportional to 348,901.21, 481,426.09 and 205,688.96 is: 283,816.82
Step by Step Solution
- Step 1: Write the proportion equation
348,901.21 : 481,426.09 = 205,688.96 : x - Step 2: Convert to fraction form
348,901.21/481,426.09 = 205,688.96/x - Step 3: Cross multiply
348,901.21x = 481,426.09 × 205,688.96 - Step 4: Simplify right side
348,901.21x = 99,024,031,768.97 - Step 5: Solve for x
x = 99,024,031,768.97/348,901.21 - Step 6: Final answer
x = 283,816.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.