Finding the Fourth Proportional to 106,398.41, 146,829.76 and 58,652.55
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Solution
The fourth proportional to 106,398.41, 146,829.76 and 58,652.55 is: 80,940.50
Step by Step Solution
- Step 1: Write the proportion equation
106,398.41 : 146,829.76 = 58,652.55 : x - Step 2: Convert to fraction form
106,398.41/146,829.76 = 58,652.55/x - Step 3: Cross multiply
106,398.41x = 146,829.76 × 58,652.55 - Step 4: Simplify right side
106,398.41x = 8,611,939,693.26 - Step 5: Solve for x
x = 8,611,939,693.26/106,398.41 - Step 6: Final answer
x = 80,940.50
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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.