Finding the Fourth Proportional to 949,957.20, 1,424,935.80 and 239,987.28
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Solution
The fourth proportional to 949,957.20, 1,424,935.80 and 239,987.28 is: 359,980.92
Step by Step Solution
- Step 1: Write the proportion equation
949,957.20 : 1,424,935.80 = 239,987.28 : x - Step 2: Convert to fraction form
949,957.20/1,424,935.80 = 239,987.28/x - Step 3: Cross multiply
949,957.20x = 1,424,935.80 × 239,987.28 - Step 4: Simplify right side
949,957.20x = 341,966,466,816.62 - Step 5: Solve for x
x = 341,966,466,816.62/949,957.20 - Step 6: Final answer
x = 359,980.92
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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.