Finding the Fourth Proportional to 376,132.12, 518,926.11 and 247,140.07
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Solution
The fourth proportional to 376,132.12, 518,926.11 and 247,140.07 is: 340,963.80
Step by Step Solution
- Step 1: Write the proportion equation
376,132.12 : 518,926.11 = 247,140.07 : x - Step 2: Convert to fraction form
376,132.12/518,926.11 = 247,140.07/x - Step 3: Cross multiply
376,132.12x = 518,926.11 × 247,140.07 - Step 4: Simplify right side
376,132.12x = 128,247,435,150.23 - Step 5: Solve for x
x = 128,247,435,150.23/376,132.12 - Step 6: Final answer
x = 340,963.80
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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.