Finding the Fourth Proportional to 351,159.36, 484,606.14 and 198,228.12
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Solution
The fourth proportional to 351,159.36, 484,606.14 and 198,228.12 is: 273,558.32
Step by Step Solution
- Step 1: Write the proportion equation
351,159.36 : 484,606.14 = 198,228.12 : x - Step 2: Convert to fraction form
351,159.36/484,606.14 = 198,228.12/x - Step 3: Cross multiply
351,159.36x = 484,606.14 × 198,228.12 - Step 4: Simplify right side
351,159.36x = 96,062,564,072.66 - Step 5: Solve for x
x = 96,062,564,072.66/351,159.36 - Step 6: Final answer
x = 273,558.32
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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.