Finding the Fourth Proportional to 274,282.56, 378,541.35 and 153,454.47
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Solution
The fourth proportional to 274,282.56, 378,541.35 and 153,454.47 is: 211,784.75
Step by Step Solution
- Step 1: Write the proportion equation
274,282.56 : 378,541.35 = 153,454.47 : x - Step 2: Convert to fraction form
274,282.56/378,541.35 = 153,454.47/x - Step 3: Cross multiply
274,282.56x = 378,541.35 × 153,454.47 - Step 4: Simplify right side
274,282.56x = 58,088,862,237.33 - Step 5: Solve for x
x = 58,088,862,237.33/274,282.56 - Step 6: Final answer
x = 211,784.75
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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.