Finding the Fourth Proportional to 411,124.80, 616,687.20 and 367,579.20
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Solution
The fourth proportional to 411,124.80, 616,687.20 and 367,579.20 is: 551,368.80
Step by Step Solution
- Step 1: Write the proportion equation
411,124.80 : 616,687.20 = 367,579.20 : x - Step 2: Convert to fraction form
411,124.80/616,687.20 = 367,579.20/x - Step 3: Cross multiply
411,124.80x = 616,687.20 × 367,579.20 - Step 4: Simplify right side
411,124.80x = 226,681,387,626.24 - Step 5: Solve for x
x = 226,681,387,626.24/411,124.80 - Step 6: Final answer
x = 551,368.80
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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.