Finding the Fourth Proportional to 458,754.09, 633,080.67 and 257,550.09
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Solution
The fourth proportional to 458,754.09, 633,080.67 and 257,550.09 is: 355,419.14
Step by Step Solution
- Step 1: Write the proportion equation
458,754.09 : 633,080.67 = 257,550.09 : x - Step 2: Convert to fraction form
458,754.09/633,080.67 = 257,550.09/x - Step 3: Cross multiply
458,754.09x = 633,080.67 × 257,550.09 - Step 4: Simplify right side
458,754.09x = 163,049,983,535.76 - Step 5: Solve for x
x = 163,049,983,535.76/458,754.09 - Step 6: Final answer
x = 355,419.14
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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.