Finding the Fourth Proportional to 178,781.58, 246,719.97 and 98,209.98
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Solution
The fourth proportional to 178,781.58, 246,719.97 and 98,209.98 is: 135,530.54
Step by Step Solution
- Step 1: Write the proportion equation
178,781.58 : 246,719.97 = 98,209.98 : x - Step 2: Convert to fraction form
178,781.58/246,719.97 = 98,209.98/x - Step 3: Cross multiply
178,781.58x = 246,719.97 × 98,209.98 - Step 4: Simplify right side
178,781.58x = 24,230,363,319.30 - Step 5: Solve for x
x = 24,230,363,319.30/178,781.58 - Step 6: Final answer
x = 135,530.54
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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.