Finding the Fourth Proportional to 351,032.54, 484,424.35 and 189,887.09
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Solution
The fourth proportional to 351,032.54, 484,424.35 and 189,887.09 is: 262,043.88
Step by Step Solution
- Step 1: Write the proportion equation
351,032.54 : 484,424.35 = 189,887.09 : x - Step 2: Convert to fraction form
351,032.54/484,424.35 = 189,887.09/x - Step 3: Cross multiply
351,032.54x = 484,424.35 × 189,887.09 - Step 4: Simplify right side
351,032.54x = 91,985,927,249.80 - Step 5: Solve for x
x = 91,985,927,249.80/351,032.54 - Step 6: Final answer
x = 262,043.88
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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.