Finding the Fourth Proportional to 376,346.78, 519,122.33 and 223,276.62
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Solution
The fourth proportional to 376,346.78, 519,122.33 and 223,276.62 is: 307,981.59
Step by Step Solution
- Step 1: Write the proportion equation
376,346.78 : 519,122.33 = 223,276.62 : x - Step 2: Convert to fraction form
376,346.78/519,122.33 = 223,276.62/x - Step 3: Cross multiply
376,346.78x = 519,122.33 × 223,276.62 - Step 4: Simplify right side
376,346.78x = 115,907,878,092.54 - Step 5: Solve for x
x = 115,907,878,092.54/376,346.78 - Step 6: Final answer
x = 307,981.59
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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.