Finding the Fourth Proportional to 456,645.03, 630,160.70 and 252,695.81
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Solution
The fourth proportional to 456,645.03, 630,160.70 and 252,695.81 is: 348,714.99
Step by Step Solution
- Step 1: Write the proportion equation
456,645.03 : 630,160.70 = 252,695.81 : x - Step 2: Convert to fraction form
456,645.03/630,160.70 = 252,695.81/x - Step 3: Cross multiply
456,645.03x = 630,160.70 × 252,695.81 - Step 4: Simplify right side
456,645.03x = 159,238,968,516.67 - Step 5: Solve for x
x = 159,238,968,516.67/456,645.03 - Step 6: Final answer
x = 348,714.99
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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.