Finding the Fourth Proportional to 414,417.21, 571,894.93 and 233,129.28
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Solution
The fourth proportional to 414,417.21, 571,894.93 and 233,129.28 is: 321,717.95
Step by Step Solution
- Step 1: Write the proportion equation
414,417.21 : 571,894.93 = 233,129.28 : x - Step 2: Convert to fraction form
414,417.21/571,894.93 = 233,129.28/x - Step 3: Cross multiply
414,417.21x = 571,894.93 × 233,129.28 - Step 4: Simplify right side
414,417.21x = 133,325,453,266.55 - Step 5: Solve for x
x = 133,325,453,266.55/414,417.21 - Step 6: Final answer
x = 321,717.95
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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.