Finding the Fourth Proportional to 180,901.84, 249,652.88 and 100,324.57
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Solution
The fourth proportional to 180,901.84, 249,652.88 and 100,324.57 is: 138,452.52
Step by Step Solution
- Step 1: Write the proportion equation
180,901.84 : 249,652.88 = 100,324.57 : x - Step 2: Convert to fraction form
180,901.84/249,652.88 = 100,324.57/x - Step 3: Cross multiply
180,901.84x = 249,652.88 × 100,324.57 - Step 4: Simplify right side
180,901.84x = 25,046,316,336.19 - Step 5: Solve for x
x = 25,046,316,336.19/180,901.84 - Step 6: Final answer
x = 138,452.52
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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.