Finding the Fourth Proportional to 190,686.36, 286,029.62 and 66,027.36
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Solution
The fourth proportional to 190,686.36, 286,029.62 and 66,027.36 is: 99,041.07
Step by Step Solution
- Step 1: Write the proportion equation
190,686.36 : 286,029.62 = 66,027.36 : x - Step 2: Convert to fraction form
190,686.36/286,029.62 = 66,027.36/x - Step 3: Cross multiply
190,686.36x = 286,029.62 × 66,027.36 - Step 4: Simplify right side
190,686.36x = 18,885,780,690.40 - Step 5: Solve for x
x = 18,885,780,690.40/190,686.36 - Step 6: Final answer
x = 99,041.07
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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.