Finding the Fourth Proportional to 357,905.60, 493,919.16 and 194,573.09
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Solution
The fourth proportional to 357,905.60, 493,919.16 and 194,573.09 is: 268,515.99
Step by Step Solution
- Step 1: Write the proportion equation
357,905.60 : 493,919.16 = 194,573.09 : x - Step 2: Convert to fraction form
357,905.60/493,919.16 = 194,573.09/x - Step 3: Cross multiply
357,905.60x = 493,919.16 × 194,573.09 - Step 4: Simplify right side
357,905.60x = 96,103,374,701.81 - Step 5: Solve for x
x = 96,103,374,701.81/357,905.60 - Step 6: Final answer
x = 268,515.99
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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.