Finding the Fourth Proportional to 438,393.06, 604,936.23 and 254,595.75
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Solution
The fourth proportional to 438,393.06, 604,936.23 and 254,595.75 is: 351,315.31
Step by Step Solution
- Step 1: Write the proportion equation
438,393.06 : 604,936.23 = 254,595.75 : x - Step 2: Convert to fraction form
438,393.06/604,936.23 = 254,595.75/x - Step 3: Cross multiply
438,393.06x = 604,936.23 × 254,595.75 - Step 4: Simplify right side
438,393.06x = 154,014,193,179.02 - Step 5: Solve for x
x = 154,014,193,179.02/438,393.06 - Step 6: Final answer
x = 351,315.31
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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.