Finding the Fourth Proportional to 225,236.36, 310,813.30 and 124,628.36
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Solution
The fourth proportional to 225,236.36, 310,813.30 and 124,628.36 is: 171,980.01
Step by Step Solution
- Step 1: Write the proportion equation
225,236.36 : 310,813.30 = 124,628.36 : x - Step 2: Convert to fraction form
225,236.36/310,813.30 = 124,628.36/x - Step 3: Cross multiply
225,236.36x = 310,813.30 × 124,628.36 - Step 4: Simplify right side
225,236.36x = 38,736,151,845.19 - Step 5: Solve for x
x = 38,736,151,845.19/225,236.36 - Step 6: Final answer
x = 171,980.01
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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.