Finding the Fourth Proportional to 930,270.29, 1,395,156.36 and 256,191.40
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Solution
The fourth proportional to 930,270.29, 1,395,156.36 and 256,191.40 is: 384,218.50
Step by Step Solution
- Step 1: Write the proportion equation
930,270.29 : 1,395,156.36 = 256,191.40 : x - Step 2: Convert to fraction form
930,270.29/1,395,156.36 = 256,191.40/x - Step 3: Cross multiply
930,270.29x = 1,395,156.36 × 256,191.40 - Step 4: Simplify right side
930,270.29x = 357,427,058,560.13 - Step 5: Solve for x
x = 357,427,058,560.13/930,270.29 - Step 6: Final answer
x = 384,218.50
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1.5x scale
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.