Finding the Fourth Proportional to 249,004.94, 343,626.10 and 135,826.88
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Solution
The fourth proportional to 249,004.94, 343,626.10 and 135,826.88 is: 187,440.70
Step by Step Solution
- Step 1: Write the proportion equation
249,004.94 : 343,626.10 = 135,826.88 : x - Step 2: Convert to fraction form
249,004.94/343,626.10 = 135,826.88/x - Step 3: Cross multiply
249,004.94x = 343,626.10 × 135,826.88 - Step 4: Simplify right side
249,004.94x = 46,673,658,991.87 - Step 5: Solve for x
x = 46,673,658,991.87/249,004.94 - Step 6: Final answer
x = 187,440.70
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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.