Finding the Fourth Proportional to 930,078.68, 1,395,125.56 and 256,197.16
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Solution
The fourth proportional to 930,078.68, 1,395,125.56 and 256,197.16 is: 384,297.82
Step by Step Solution
- Step 1: Write the proportion equation
930,078.68 : 1,395,125.56 = 256,197.16 : x - Step 2: Convert to fraction form
930,078.68/1,395,125.56 = 256,197.16/x - Step 3: Cross multiply
930,078.68x = 1,395,125.56 × 256,197.16 - Step 4: Simplify right side
930,078.68x = 357,427,206,315.41 - Step 5: Solve for x
x = 357,427,206,315.41/930,078.68 - Step 6: Final answer
x = 384,297.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.