Finding the Fourth Proportional to 961,433.98, 1,442,040.80 and 251,530.54
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Solution
The fourth proportional to 961,433.98, 1,442,040.80 and 251,530.54 is: 377,266.99
Step by Step Solution
- Step 1: Write the proportion equation
961,433.98 : 1,442,040.80 = 251,530.54 : x - Step 2: Convert to fraction form
961,433.98/1,442,040.80 = 251,530.54/x - Step 3: Cross multiply
961,433.98x = 1,442,040.80 × 251,530.54 - Step 4: Simplify right side
961,433.98x = 362,717,301,126.03 - Step 5: Solve for x
x = 362,717,301,126.03/961,433.98 - Step 6: Final answer
x = 377,266.99
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1.5x scale
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.