Finding the Fourth Proportional to 442,848.74, 664,267.64 and 143,322.68
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Solution
The fourth proportional to 442,848.74, 664,267.64 and 143,322.68 is: 214,982.25
Step by Step Solution
- Step 1: Write the proportion equation
442,848.74 : 664,267.64 = 143,322.68 : x - Step 2: Convert to fraction form
442,848.74/664,267.64 = 143,322.68/x - Step 3: Cross multiply
442,848.74x = 664,267.64 × 143,322.68 - Step 4: Simplify right side
442,848.74x = 95,204,619,346.13 - Step 5: Solve for x
x = 95,204,619,346.13/442,848.74 - Step 6: Final answer
x = 214,982.25
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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.