Finding the Fourth Proportional to 405,298.06, 559,340.28 and 224,006.09
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Solution
The fourth proportional to 405,298.06, 559,340.28 and 224,006.09 is: 309,144.41
Step by Step Solution
- Step 1: Write the proportion equation
405,298.06 : 559,340.28 = 224,006.09 : x - Step 2: Convert to fraction form
405,298.06/559,340.28 = 224,006.09/x - Step 3: Cross multiply
405,298.06x = 559,340.28 × 224,006.09 - Step 4: Simplify right side
405,298.06x = 125,295,629,102.31 - Step 5: Solve for x
x = 125,295,629,102.31/405,298.06 - Step 6: Final answer
x = 309,144.41
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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.