Finding the Fourth Proportional to 185,768.02, 256,357.56 and 100,885.68
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Solution
The fourth proportional to 185,768.02, 256,357.56 and 100,885.68 is: 139,220.99
Step by Step Solution
- Step 1: Write the proportion equation
185,768.02 : 256,357.56 = 100,885.68 : x - Step 2: Convert to fraction form
185,768.02/256,357.56 = 100,885.68/x - Step 3: Cross multiply
185,768.02x = 256,357.56 × 100,885.68 - Step 4: Simplify right side
185,768.02x = 25,862,806,763.74 - Step 5: Solve for x
x = 25,862,806,763.74/185,768.02 - Step 6: Final answer
x = 139,220.99
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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.