Finding the Fourth Proportional to 180,943.38, 249,472.26 and 129,322.08
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Solution
The fourth proportional to 180,943.38, 249,472.26 and 129,322.08 is: 178,300.37
Step by Step Solution
- Step 1: Write the proportion equation
180,943.38 : 249,472.26 = 129,322.08 : x - Step 2: Convert to fraction form
180,943.38/249,472.26 = 129,322.08/x - Step 3: Cross multiply
180,943.38x = 249,472.26 × 129,322.08 - Step 4: Simplify right side
180,943.38x = 32,262,271,565.50 - Step 5: Solve for x
x = 32,262,271,565.50/180,943.38 - Step 6: Final answer
x = 178,300.37
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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.