Finding the Fourth Proportional to 249,122.52, 343,785.87 and 135,937.98
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Solution
The fourth proportional to 249,122.52, 343,785.87 and 135,937.98 is: 187,592.66
Step by Step Solution
- Step 1: Write the proportion equation
249,122.52 : 343,785.87 = 135,937.98 : x - Step 2: Convert to fraction form
249,122.52/343,785.87 = 135,937.98/x - Step 3: Cross multiply
249,122.52x = 343,785.87 × 135,937.98 - Step 4: Simplify right side
249,122.52x = 46,733,556,720.34 - Step 5: Solve for x
x = 46,733,556,720.34/249,122.52 - Step 6: Final answer
x = 187,592.66
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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.