Finding the Fourth Proportional to 243,592.07, 336,163.10 and 136,179.99
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Solution
The fourth proportional to 243,592.07, 336,163.10 and 136,179.99 is: 187,931.77
Step by Step Solution
- Step 1: Write the proportion equation
243,592.07 : 336,163.10 = 136,179.99 : x - Step 2: Convert to fraction form
243,592.07/336,163.10 = 136,179.99/x - Step 3: Cross multiply
243,592.07x = 336,163.10 × 136,179.99 - Step 4: Simplify right side
243,592.07x = 45,778,686,915.47 - Step 5: Solve for x
x = 45,778,686,915.47/243,592.07 - Step 6: Final answer
x = 187,931.77
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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.