Finding the Fourth Proportional to 405,455.48, 559,512.06 and 224,155.88
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Solution
The fourth proportional to 405,455.48, 559,512.06 and 224,155.88 is: 309,325.99
Step by Step Solution
- Step 1: Write the proportion equation
405,455.48 : 559,512.06 = 224,155.88 : x - Step 2: Convert to fraction form
405,455.48/559,512.06 = 224,155.88/x - Step 3: Cross multiply
405,455.48x = 559,512.06 × 224,155.88 - Step 4: Simplify right side
405,455.48x = 125,417,918,179.91 - Step 5: Solve for x
x = 125,417,918,179.91/405,455.48 - Step 6: Final answer
x = 309,325.99
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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.