Finding the Fourth Proportional to 456,616.97, 630,132.18 and 252,676.48
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Solution
The fourth proportional to 456,616.97, 630,132.18 and 252,676.48 is: 348,693.96
Step by Step Solution
- Step 1: Write the proportion equation
456,616.97 : 630,132.18 = 252,676.48 : x - Step 2: Convert to fraction form
456,616.97/630,132.18 = 252,676.48/x - Step 3: Cross multiply
456,616.97x = 630,132.18 × 252,676.48 - Step 4: Simplify right side
456,616.97x = 159,219,579,601.80 - Step 5: Solve for x
x = 159,219,579,601.80/456,616.97 - Step 6: Final answer
x = 348,693.96
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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.