Finding the Fourth Proportional to 153,858.72, 230,396.04 and 130,239.12
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Solution
The fourth proportional to 153,858.72, 230,396.04 and 130,239.12 is: 195,026.82
Step by Step Solution
- Step 1: Write the proportion equation
153,858.72 : 230,396.04 = 130,239.12 : x - Step 2: Convert to fraction form
153,858.72/230,396.04 = 130,239.12/x - Step 3: Cross multiply
153,858.72x = 230,396.04 × 130,239.12 - Step 4: Simplify right side
153,858.72x = 30,006,577,501.08 - Step 5: Solve for x
x = 30,006,577,501.08/153,858.72 - Step 6: Final answer
x = 195,026.82
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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.