Finding the Fourth Proportional to 405,620.87, 559,774.19 and 224,332.74
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Solution
The fourth proportional to 405,620.87, 559,774.19 and 224,332.74 is: 309,588.80
Step by Step Solution
- Step 1: Write the proportion equation
405,620.87 : 559,774.19 = 224,332.74 : x - Step 2: Convert to fraction form
405,620.87/559,774.19 = 224,332.74/x - Step 3: Cross multiply
405,620.87x = 559,774.19 × 224,332.74 - Step 4: Simplify right side
405,620.87x = 125,575,678,384.81 - Step 5: Solve for x
x = 125,575,678,384.81/405,620.87 - Step 6: Final answer
x = 309,588.80
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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.