Finding the Fourth Proportional to 225,322.74, 310,942.53 and 135,898.74
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Solution
The fourth proportional to 225,322.74, 310,942.53 and 135,898.74 is: 187,538.54
Step by Step Solution
- Step 1: Write the proportion equation
225,322.74 : 310,942.53 = 135,898.74 : x - Step 2: Convert to fraction form
225,322.74/310,942.53 = 135,898.74/x - Step 3: Cross multiply
225,322.74x = 310,942.53 × 135,898.74 - Step 4: Simplify right side
225,322.74x = 42,256,698,039.41 - Step 5: Solve for x
x = 42,256,698,039.41/225,322.74 - Step 6: Final answer
x = 187,538.54
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1.5x scale
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.