Finding the Fourth Proportional to 313,660.95, 432,850.91 and 170,419.74
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Solution
The fourth proportional to 313,660.95, 432,850.91 and 170,419.74 is: 235,178.59
Step by Step Solution
- Step 1: Write the proportion equation
313,660.95 : 432,850.91 = 170,419.74 : x - Step 2: Convert to fraction form
313,660.95/432,850.91 = 170,419.74/x - Step 3: Cross multiply
313,660.95x = 432,850.91 × 170,419.74 - Step 4: Simplify right side
313,660.95x = 73,766,338,688.86 - Step 5: Solve for x
x = 73,766,338,688.86/313,660.95 - Step 6: Final answer
x = 235,178.59
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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.