Finding the Fourth Proportional to 466,565.05, 643,964.79 and 305,326.68
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Solution
The fourth proportional to 466,565.05, 643,964.79 and 305,326.68 is: 421,419.54
Step by Step Solution
- Step 1: Write the proportion equation
466,565.05 : 643,964.79 = 305,326.68 : x - Step 2: Convert to fraction form
466,565.05/643,964.79 = 305,326.68/x - Step 3: Cross multiply
466,565.05x = 643,964.79 × 305,326.68 - Step 4: Simplify right side
466,565.05x = 196,619,630,222.62 - Step 5: Solve for x
x = 196,619,630,222.62/466,565.05 - Step 6: Final answer
x = 421,419.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.