Finding the Fourth Proportional to 610,246.68, 842,190.11 and 338,399.79
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Solution
The fourth proportional to 610,246.68, 842,190.11 and 338,399.79 is: 467,019.27
Step by Step Solution
- Step 1: Write the proportion equation
610,246.68 : 842,190.11 = 338,399.79 : x - Step 2: Convert to fraction form
610,246.68/842,190.11 = 338,399.79/x - Step 3: Cross multiply
610,246.68x = 842,190.11 × 338,399.79 - Step 4: Simplify right side
610,246.68x = 284,996,956,364.08 - Step 5: Solve for x
x = 284,996,956,364.08/610,246.68 - Step 6: Final answer
x = 467,019.27
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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.