Finding the Fourth Proportional to 169,937.36, 234,525.02 and 112,477.70
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Solution
The fourth proportional to 169,937.36, 234,525.02 and 112,477.70 is: 155,226.81
Step by Step Solution
- Step 1: Write the proportion equation
169,937.36 : 234,525.02 = 112,477.70 : x - Step 2: Convert to fraction form
169,937.36/234,525.02 = 112,477.70/x - Step 3: Cross multiply
169,937.36x = 234,525.02 × 112,477.70 - Step 4: Simplify right side
169,937.36x = 26,378,834,842.05 - Step 5: Solve for x
x = 26,378,834,842.05/169,937.36 - Step 6: Final answer
x = 155,226.81
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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.