Finding the Fourth Proportional to 210,336.70, 313,895.28 and 187,898.08
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Solution
The fourth proportional to 210,336.70, 313,895.28 and 187,898.08 is: 280,409.08
Step by Step Solution
- Step 1: Write the proportion equation
210,336.70 : 313,895.28 = 187,898.08 : x - Step 2: Convert to fraction form
210,336.70/313,895.28 = 187,898.08/x - Step 3: Cross multiply
210,336.70x = 313,895.28 × 187,898.08 - Step 4: Simplify right side
210,336.70x = 58,980,320,433.06 - Step 5: Solve for x
x = 58,980,320,433.06/210,336.70 - Step 6: Final answer
x = 280,409.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.