Finding the Fourth Proportional to 166,444.13, 249,729.08 and 99,930.66
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Solution
The fourth proportional to 166,444.13, 249,729.08 and 99,930.66 is: 149,933.75
Step by Step Solution
- Step 1: Write the proportion equation
166,444.13 : 249,729.08 = 99,930.66 : x - Step 2: Convert to fraction form
166,444.13/249,729.08 = 99,930.66/x - Step 3: Cross multiply
166,444.13x = 249,729.08 × 99,930.66 - Step 4: Simplify right side
166,444.13x = 24,955,591,785.59 - Step 5: Solve for x
x = 24,955,591,785.59/166,444.13 - Step 6: Final answer
x = 149,933.75
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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.