Finding the Fourth Proportional to 296,998.10, 445,497.15 and 293,887.70
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Solution
The fourth proportional to 296,998.10, 445,497.15 and 293,887.70 is: 440,831.55
Step by Step Solution
- Step 1: Write the proportion equation
296,998.10 : 445,497.15 = 293,887.70 : x - Step 2: Convert to fraction form
296,998.10/445,497.15 = 293,887.70/x - Step 3: Cross multiply
296,998.10x = 445,497.15 × 293,887.70 - Step 4: Simplify right side
296,998.10x = 130,926,132,770.06 - Step 5: Solve for x
x = 130,926,132,770.06/296,998.10 - Step 6: Final answer
x = 440,831.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.