Finding the Fourth Proportional to 274,224.16, 378,400.08 and 153,352.96
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Solution
The fourth proportional to 274,224.16, 378,400.08 and 153,352.96 is: 211,610.72
Step by Step Solution
- Step 1: Write the proportion equation
274,224.16 : 378,400.08 = 153,352.96 : x - Step 2: Convert to fraction form
274,224.16/378,400.08 = 153,352.96/x - Step 3: Cross multiply
274,224.16x = 378,400.08 × 153,352.96 - Step 4: Simplify right side
274,224.16x = 58,028,772,332.24 - Step 5: Solve for x
x = 58,028,772,332.24/274,224.16 - Step 6: Final answer
x = 211,610.72
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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.