Finding the Fourth Proportional to 228,719.70, 343,079.55 and 62,507.70
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Solution
The fourth proportional to 228,719.70, 343,079.55 and 62,507.70 is: 93,761.55
Step by Step Solution
- Step 1: Write the proportion equation
228,719.70 : 343,079.55 = 62,507.70 : x - Step 2: Convert to fraction form
228,719.70/343,079.55 = 62,507.70/x - Step 3: Cross multiply
228,719.70x = 343,079.55 × 62,507.70 - Step 4: Simplify right side
228,719.70x = 21,445,113,587.54 - Step 5: Solve for x
x = 21,445,113,587.54/228,719.70 - Step 6: Final answer
x = 93,761.55
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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.