Finding the Fourth Proportional to 351,148.92, 484,501.23 and 213,325.09
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Solution
The fourth proportional to 351,148.92, 484,501.23 and 213,325.09 is: 294,337.43
Step by Step Solution
- Step 1: Write the proportion equation
351,148.92 : 484,501.23 = 213,325.09 : x - Step 2: Convert to fraction form
351,148.92/484,501.23 = 213,325.09/x - Step 3: Cross multiply
351,148.92x = 484,501.23 × 213,325.09 - Step 4: Simplify right side
351,148.92x = 103,356,269,028.17 - Step 5: Solve for x
x = 103,356,269,028.17/351,148.92 - Step 6: Final answer
x = 294,337.43
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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.