Finding the Fourth Proportional to 253,779.99, 380,254.69 and 153,636.65
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Solution
The fourth proportional to 253,779.99, 380,254.69 and 153,636.65 is: 230,203.56
Step by Step Solution
- Step 1: Write the proportion equation
253,779.99 : 380,254.69 = 153,636.65 : x - Step 2: Convert to fraction form
253,779.99/380,254.69 = 153,636.65/x - Step 3: Cross multiply
253,779.99x = 380,254.69 × 153,636.65 - Step 4: Simplify right side
253,779.99x = 58,421,056,718.39 - Step 5: Solve for x
x = 58,421,056,718.39/253,779.99 - Step 6: Final answer
x = 230,203.56
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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.