Finding the Fourth Proportional to 414,317.97, 571,788.72 and 253,203.84
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Solution
The fourth proportional to 414,317.97, 571,788.72 and 253,203.84 is: 349,439.59
Step by Step Solution
- Step 1: Write the proportion equation
414,317.97 : 571,788.72 = 253,203.84 : x - Step 2: Convert to fraction form
414,317.97/571,788.72 = 253,203.84/x - Step 3: Cross multiply
414,317.97x = 571,788.72 × 253,203.84 - Step 4: Simplify right side
414,317.97x = 144,779,099,572.69 - Step 5: Solve for x
x = 144,779,099,572.69/414,317.97 - Step 6: Final answer
x = 349,439.59
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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.