Finding the Fourth Proportional to 216,462.34, 298,719.14 and 120,970.63
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Solution
The fourth proportional to 216,462.34, 298,719.14 and 120,970.63 is: 166,940.09
Step by Step Solution
- Step 1: Write the proportion equation
216,462.34 : 298,719.14 = 120,970.63 : x - Step 2: Convert to fraction form
216,462.34/298,719.14 = 120,970.63/x - Step 3: Cross multiply
216,462.34x = 298,719.14 × 120,970.63 - Step 4: Simplify right side
216,462.34x = 36,136,241,954.01 - Step 5: Solve for x
x = 36,136,241,954.01/216,462.34 - Step 6: Final answer
x = 166,940.09
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1.5x scale
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.