Finding the Fourth Proportional to 180,944.38, 249,473.64 and 129,323.08
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Solution
The fourth proportional to 180,944.38, 249,473.64 and 129,323.08 is: 178,301.75
Step by Step Solution
- Step 1: Write the proportion equation
180,944.38 : 249,473.64 = 129,323.08 : x - Step 2: Convert to fraction form
180,944.38/249,473.64 = 129,323.08/x - Step 3: Cross multiply
180,944.38x = 249,473.64 × 129,323.08 - Step 4: Simplify right side
180,944.38x = 32,262,699,503.61 - Step 5: Solve for x
x = 32,262,699,503.61/180,944.38 - Step 6: Final answer
x = 178,301.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.