Finding the Fourth Proportional to 961,303.50, 1,442,037.06 and 251,330.40
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Solution
The fourth proportional to 961,303.50, 1,442,037.06 and 251,330.40 is: 377,016.99
Step by Step Solution
- Step 1: Write the proportion equation
961,303.50 : 1,442,037.06 = 251,330.40 : x - Step 2: Convert to fraction form
961,303.50/1,442,037.06 = 251,330.40/x - Step 3: Cross multiply
961,303.50x = 1,442,037.06 × 251,330.40 - Step 4: Simplify right side
961,303.50x = 362,427,751,104.62 - Step 5: Solve for x
x = 362,427,751,104.62/961,303.50 - Step 6: Final answer
x = 377,016.99
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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.