Finding the Fourth Proportional to 226,123.12, 312,051.30 and 124,153.03
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Solution
The fourth proportional to 226,123.12, 312,051.30 and 124,153.03 is: 171,331.95
Step by Step Solution
- Step 1: Write the proportion equation
226,123.12 : 312,051.30 = 124,153.03 : x - Step 2: Convert to fraction form
226,123.12/312,051.30 = 124,153.03/x - Step 3: Cross multiply
226,123.12x = 312,051.30 × 124,153.03 - Step 4: Simplify right side
226,123.12x = 38,742,114,410.44 - Step 5: Solve for x
x = 38,742,114,410.44/226,123.12 - Step 6: Final answer
x = 171,331.95
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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.