Finding the Fourth Proportional to 411,584.97, 617,358.93 and 171,600
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Solution
The fourth proportional to 411,584.97, 617,358.93 and 171,600 is: 257,392.28
Step by Step Solution
- Step 1: Write the proportion equation
411,584.97 : 617,358.93 = 171,600 : x - Step 2: Convert to fraction form
411,584.97/617,358.93 = 171,600/x - Step 3: Cross multiply
411,584.97x = 617,358.93 × 171,600 - Step 4: Simplify right side
411,584.97x = 105,938,792,388.00 - Step 5: Solve for x
x = 105,938,792,388.00/411,584.97 - Step 6: Final answer
x = 257,392.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.