Finding the Fourth Proportional to 405,405.08, 559,455.36 and 224,121.62
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Solution
The fourth proportional to 405,405.08, 559,455.36 and 224,121.62 is: 309,285.82
Step by Step Solution
- Step 1: Write the proportion equation
405,405.08 : 559,455.36 = 224,121.62 : x - Step 2: Convert to fraction form
405,405.08/559,455.36 = 224,121.62/x - Step 3: Cross multiply
405,405.08x = 559,455.36 × 224,121.62 - Step 4: Simplify right side
405,405.08x = 125,386,041,600.88 - Step 5: Solve for x
x = 125,386,041,600.88/405,405.08 - Step 6: Final answer
x = 309,285.82
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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.