Finding the Fourth Proportional to 356,395.08, 491,825.04 and 213,155.12
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Solution
The fourth proportional to 356,395.08, 491,825.04 and 213,155.12 is: 294,153.96
Step by Step Solution
- Step 1: Write the proportion equation
356,395.08 : 491,825.04 = 213,155.12 : x - Step 2: Convert to fraction form
356,395.08/491,825.04 = 213,155.12/x - Step 3: Cross multiply
356,395.08x = 491,825.04 × 213,155.12 - Step 4: Simplify right side
356,395.08x = 104,835,025,420.21 - Step 5: Solve for x
x = 104,835,025,420.21/356,395.08 - Step 6: Final answer
x = 294,153.96
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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.