Finding the Fourth Proportional to 407,206.93, 561,972.14 and 235,132.15
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Solution
The fourth proportional to 407,206.93, 561,972.14 and 235,132.15 is: 324,497.71
Step by Step Solution
- Step 1: Write the proportion equation
407,206.93 : 561,972.14 = 235,132.15 : x - Step 2: Convert to fraction form
407,206.93/561,972.14 = 235,132.15/x - Step 3: Cross multiply
407,206.93x = 561,972.14 × 235,132.15 - Step 4: Simplify right side
407,206.93x = 132,137,713,532.78 - Step 5: Solve for x
x = 132,137,713,532.78/407,206.93 - Step 6: Final answer
x = 324,497.71
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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.