Finding the Fourth Proportional to 456,653.48, 630,166.28 and 252,712.99
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Solution
The fourth proportional to 456,653.48, 630,166.28 and 252,712.99 is: 348,735.33
Step by Step Solution
- Step 1: Write the proportion equation
456,653.48 : 630,166.28 = 252,712.99 : x - Step 2: Convert to fraction form
456,653.48/630,166.28 = 252,712.99/x - Step 3: Cross multiply
456,653.48x = 630,166.28 × 252,712.99 - Step 4: Simplify right side
456,653.48x = 159,251,201,977.00 - Step 5: Solve for x
x = 159,251,201,977.00/456,653.48 - Step 6: Final answer
x = 348,735.33
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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.