Finding the Fourth Proportional to 461,905.60, 692,512.80 and 251,780.80
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Solution
The fourth proportional to 461,905.60, 692,512.80 and 251,780.80 is: 377,482.82
Step by Step Solution
- Step 1: Write the proportion equation
461,905.60 : 692,512.80 = 251,780.80 : x - Step 2: Convert to fraction form
461,905.60/692,512.80 = 251,780.80/x - Step 3: Cross multiply
461,905.60x = 692,512.80 × 251,780.80 - Step 4: Simplify right side
461,905.60x = 174,361,426,794.24 - Step 5: Solve for x
x = 174,361,426,794.24/461,905.60 - Step 6: Final answer
x = 377,482.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.