Finding the Fourth Proportional to 411,721.70, 617,812.95 and 175,024.10
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Solution
The fourth proportional to 411,721.70, 617,812.95 and 175,024.10 is: 262,634.09
Step by Step Solution
- Step 1: Write the proportion equation
411,721.70 : 617,812.95 = 175,024.10 : x - Step 2: Convert to fraction form
411,721.70/617,812.95 = 175,024.10/x - Step 3: Cross multiply
411,721.70x = 617,812.95 × 175,024.10 - Step 4: Simplify right side
411,721.70x = 108,132,155,542.10 - Step 5: Solve for x
x = 108,132,155,542.10/411,721.70 - Step 6: Final answer
x = 262,634.09
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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.