Finding the Fourth Proportional to 411,659.13, 567,825.99 and 330,182.88
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Solution
The fourth proportional to 411,659.13, 567,825.99 and 330,182.88 is: 455,440.94
Step by Step Solution
- Step 1: Write the proportion equation
411,659.13 : 567,825.99 = 330,182.88 : x - Step 2: Convert to fraction form
411,659.13/567,825.99 = 330,182.88/x - Step 3: Cross multiply
411,659.13x = 567,825.99 × 330,182.88 - Step 4: Simplify right side
411,659.13x = 187,486,422,962.07 - Step 5: Solve for x
x = 187,486,422,962.07/411,659.13 - Step 6: Final answer
x = 455,440.94
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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.