Finding the Fourth Proportional to 254,085.60, 381,374.58 and 135,840.12
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Solution
The fourth proportional to 254,085.60, 381,374.58 and 135,840.12 is: 203,891.79
Step by Step Solution
- Step 1: Write the proportion equation
254,085.60 : 381,374.58 = 135,840.12 : x - Step 2: Convert to fraction form
254,085.60/381,374.58 = 135,840.12/x - Step 3: Cross multiply
254,085.60x = 381,374.58 × 135,840.12 - Step 4: Simplify right side
254,085.60x = 51,805,968,712.15 - Step 5: Solve for x
x = 51,805,968,712.15/254,085.60 - Step 6: Final answer
x = 203,891.79
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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.