Finding the Fourth Proportional to 201,737.02, 278,303.54 and 130,140.10
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Solution
The fourth proportional to 201,737.02, 278,303.54 and 130,140.10 is: 179,532.99
Step by Step Solution
- Step 1: Write the proportion equation
201,737.02 : 278,303.54 = 130,140.10 : x - Step 2: Convert to fraction form
201,737.02/278,303.54 = 130,140.10/x - Step 3: Cross multiply
201,737.02x = 278,303.54 × 130,140.10 - Step 4: Simplify right side
201,737.02x = 36,218,450,525.95 - Step 5: Solve for x
x = 36,218,450,525.95/201,737.02 - Step 6: Final answer
x = 179,532.99
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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.