Finding the Fourth Proportional to 665,536.80, 998,110.80 and 239,023.20
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Solution
The fourth proportional to 665,536.80, 998,110.80 and 239,023.20 is: 358,464.98
Step by Step Solution
- Step 1: Write the proportion equation
665,536.80 : 998,110.80 = 239,023.20 : x - Step 2: Convert to fraction form
665,536.80/998,110.80 = 239,023.20/x - Step 3: Cross multiply
665,536.80x = 998,110.80 × 239,023.20 - Step 4: Simplify right side
665,536.80x = 238,571,637,370.56 - Step 5: Solve for x
x = 238,571,637,370.56/665,536.80 - Step 6: Final answer
x = 358,464.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.