Finding the Fourth Proportional to 420,754.06, 580,654.74 and 237,024.28
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Solution
The fourth proportional to 420,754.06, 580,654.74 and 237,024.28 is: 327,101.47
Step by Step Solution
- Step 1: Write the proportion equation
420,754.06 : 580,654.74 = 237,024.28 : x - Step 2: Convert to fraction form
420,754.06/580,654.74 = 237,024.28/x - Step 3: Cross multiply
420,754.06x = 580,654.74 × 237,024.28 - Step 4: Simplify right side
420,754.06x = 137,629,271,677.09 - Step 5: Solve for x
x = 137,629,271,677.09/420,754.06 - Step 6: Final answer
x = 327,101.47
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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.