Finding the Fourth Proportional to 265,781.02, 398,389.55 and 130,654.53
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Solution
The fourth proportional to 265,781.02, 398,389.55 and 130,654.53 is: 195,843.17
Step by Step Solution
- Step 1: Write the proportion equation
265,781.02 : 398,389.55 = 130,654.53 : x - Step 2: Convert to fraction form
265,781.02/398,389.55 = 130,654.53/x - Step 3: Cross multiply
265,781.02x = 398,389.55 × 130,654.53 - Step 4: Simplify right side
265,781.02x = 52,051,397,420.21 - Step 5: Solve for x
x = 52,051,397,420.21/265,781.02 - Step 6: Final answer
x = 195,843.17
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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.