Finding the Fourth Proportional to 270,235.10, 404,762.16 and 136,886.42
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Solution
The fourth proportional to 270,235.10, 404,762.16 and 136,886.42 is: 205,030.52
Step by Step Solution
- Step 1: Write the proportion equation
270,235.10 : 404,762.16 = 136,886.42 : x - Step 2: Convert to fraction form
270,235.10/404,762.16 = 136,886.42/x - Step 3: Cross multiply
270,235.10x = 404,762.16 × 136,886.42 - Step 4: Simplify right side
270,235.10x = 55,406,444,559.10 - Step 5: Solve for x
x = 55,406,444,559.10/270,235.10 - Step 6: Final answer
x = 205,030.52
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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.