Finding the Fourth Proportional to 249,890.14, 344,847.36 and 135,168.85
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Solution
The fourth proportional to 249,890.14, 344,847.36 and 135,168.85 is: 186,532.45
Step by Step Solution
- Step 1: Write the proportion equation
249,890.14 : 344,847.36 = 135,168.85 : x - Step 2: Convert to fraction form
249,890.14/344,847.36 = 135,168.85/x - Step 3: Cross multiply
249,890.14x = 344,847.36 × 135,168.85 - Step 4: Simplify right side
249,890.14x = 46,612,621,076.74 - Step 5: Solve for x
x = 46,612,621,076.74/249,890.14 - Step 6: Final answer
x = 186,532.45
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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.