Finding the Fourth Proportional to 163,014.21, 224,959.01 and 91,394.19
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Solution
The fourth proportional to 163,014.21, 224,959.01 and 91,394.19 is: 126,123.64
Step by Step Solution
- Step 1: Write the proportion equation
163,014.21 : 224,959.01 = 91,394.19 : x - Step 2: Convert to fraction form
163,014.21/224,959.01 = 91,394.19/x - Step 3: Cross multiply
163,014.21x = 224,959.01 × 91,394.19 - Step 4: Simplify right side
163,014.21x = 20,559,946,045.18 - Step 5: Solve for x
x = 20,559,946,045.18/163,014.21 - Step 6: Final answer
x = 126,123.64
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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.