Finding the Fourth Proportional to 405,511.11, 559,582.70 and 224,212.12
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Solution
The fourth proportional to 405,511.11, 559,582.70 and 224,212.12 is: 309,400.21
Step by Step Solution
- Step 1: Write the proportion equation
405,511.11 : 559,582.70 = 224,212.12 : x - Step 2: Convert to fraction form
405,511.11/559,582.70 = 224,212.12/x - Step 3: Cross multiply
405,511.11x = 559,582.70 × 224,212.12 - Step 4: Simplify right side
405,511.11x = 125,465,220,962.31 - Step 5: Solve for x
x = 125,465,220,962.31/405,511.11 - Step 6: Final answer
x = 309,400.21
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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.