Finding the Fourth Proportional to 153,848.20, 230,837.10 and 83,777.80
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Solution
The fourth proportional to 153,848.20, 230,837.10 and 83,777.80 is: 125,701.99
Step by Step Solution
- Step 1: Write the proportion equation
153,848.20 : 230,837.10 = 83,777.80 : x - Step 2: Convert to fraction form
153,848.20/230,837.10 = 83,777.80/x - Step 3: Cross multiply
153,848.20x = 230,837.10 × 83,777.80 - Step 4: Simplify right side
153,848.20x = 19,339,024,396.38 - Step 5: Solve for x
x = 19,339,024,396.38/153,848.20 - Step 6: Final answer
x = 125,701.99
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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.