Finding the Fourth Proportional to 376,028.60, 518,726.30 and 246,948.41
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Solution
The fourth proportional to 376,028.60, 518,726.30 and 246,948.41 is: 340,661.95
Step by Step Solution
- Step 1: Write the proportion equation
376,028.60 : 518,726.30 = 246,948.41 : x - Step 2: Convert to fraction form
376,028.60/518,726.30 = 246,948.41/x - Step 3: Cross multiply
376,028.60x = 518,726.30 × 246,948.41 - Step 4: Simplify right side
376,028.60x = 128,098,635,072.26 - Step 5: Solve for x
x = 128,098,635,072.26/376,028.60 - Step 6: Final answer
x = 340,661.95
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1.5x scale
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.