Finding the Fourth Proportional to 249,096.07, 343,760.15 and 141,681.55
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Solution
The fourth proportional to 249,096.07, 343,760.15 and 141,681.55 is: 195,524.85
Step by Step Solution
- Step 1: Write the proportion equation
249,096.07 : 343,760.15 = 141,681.55 : x - Step 2: Convert to fraction form
249,096.07/343,760.15 = 141,681.55/x - Step 3: Cross multiply
249,096.07x = 343,760.15 × 141,681.55 - Step 4: Simplify right side
249,096.07x = 48,704,470,880.23 - Step 5: Solve for x
x = 48,704,470,880.23/249,096.07 - Step 6: Final answer
x = 195,524.85
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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.