Finding the Fourth Proportional to 180,865.24, 249,619.86 and 100,310.68
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Solution
The fourth proportional to 180,865.24, 249,619.86 and 100,310.68 is: 138,443.06
Step by Step Solution
- Step 1: Write the proportion equation
180,865.24 : 249,619.86 = 100,310.68 : x - Step 2: Convert to fraction form
180,865.24/249,619.86 = 100,310.68/x - Step 3: Cross multiply
180,865.24x = 249,619.86 × 100,310.68 - Step 4: Simplify right side
180,865.24x = 25,039,537,898.10 - Step 5: Solve for x
x = 25,039,537,898.10/180,865.24 - Step 6: Final answer
x = 138,443.06
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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.