Finding the Fourth Proportional to 507,980.58, 701,044.64 and 281,626.08
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Solution
The fourth proportional to 507,980.58, 701,044.64 and 281,626.08 is: 388,661.42
Step by Step Solution
- Step 1: Write the proportion equation
507,980.58 : 701,044.64 = 281,626.08 : x - Step 2: Convert to fraction form
507,980.58/701,044.64 = 281,626.08/x - Step 3: Cross multiply
507,980.58x = 701,044.64 × 281,626.08 - Step 4: Simplify right side
507,980.58x = 197,432,452,460.08 - Step 5: Solve for x
x = 197,432,452,460.08/507,980.58 - Step 6: Final answer
x = 388,661.42
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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.