Finding the Fourth Proportional to 472,228.37, 708,133.56 and 135,192.23
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Solution
The fourth proportional to 472,228.37, 708,133.56 and 135,192.23 is: 202,728.51
Step by Step Solution
- Step 1: Write the proportion equation
472,228.37 : 708,133.56 = 135,192.23 : x - Step 2: Convert to fraction form
472,228.37/708,133.56 = 135,192.23/x - Step 3: Cross multiply
472,228.37x = 708,133.56 × 135,192.23 - Step 4: Simplify right side
472,228.37x = 95,734,155,114.24 - Step 5: Solve for x
x = 95,734,155,114.24/472,228.37 - Step 6: Final answer
x = 202,728.51
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1.5x scale
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.