Finding the Fourth Proportional to 337,660.54, 506,491.63 and 137,980.91
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Solution
The fourth proportional to 337,660.54, 506,491.63 and 137,980.91 is: 206,971.70
Step by Step Solution
- Step 1: Write the proportion equation
337,660.54 : 506,491.63 = 137,980.91 : x - Step 2: Convert to fraction form
337,660.54/506,491.63 = 137,980.91/x - Step 3: Cross multiply
337,660.54x = 506,491.63 × 137,980.91 - Step 4: Simplify right side
337,660.54x = 69,886,176,936.06 - Step 5: Solve for x
x = 69,886,176,936.06/337,660.54 - Step 6: Final answer
x = 206,971.70
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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.