Finding the Fourth Proportional to 180,767.54, 249,329.67 and 119,442.70
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Solution
The fourth proportional to 180,767.54, 249,329.67 and 119,442.70 is: 164,745.34
Step by Step Solution
- Step 1: Write the proportion equation
180,767.54 : 249,329.67 = 119,442.70 : x - Step 2: Convert to fraction form
180,767.54/249,329.67 = 119,442.70/x - Step 3: Cross multiply
180,767.54x = 249,329.67 × 119,442.70 - Step 4: Simplify right side
180,767.54x = 29,780,608,974.91 - Step 5: Solve for x
x = 29,780,608,974.91/180,767.54 - Step 6: Final answer
x = 164,745.34
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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.