Finding the Fourth Proportional to 405,515.02, 559,588.14 and 224,216.07
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Solution
The fourth proportional to 405,515.02, 559,588.14 and 224,216.07 is: 309,405.69
Step by Step Solution
- Step 1: Write the proportion equation
405,515.02 : 559,588.14 = 224,216.07 : x - Step 2: Convert to fraction form
405,515.02/559,588.14 = 224,216.07/x - Step 3: Cross multiply
405,515.02x = 559,588.14 × 224,216.07 - Step 4: Simplify right side
405,515.02x = 125,468,653,569.41 - Step 5: Solve for x
x = 125,468,653,569.41/405,515.02 - Step 6: Final answer
x = 309,405.69
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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.