Finding the Fourth Proportional to 319,565.92, 479,176.08 and 97,921.12
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Solution
The fourth proportional to 319,565.92, 479,176.08 and 97,921.12 is: 146,828.73
Step by Step Solution
- Step 1: Write the proportion equation
319,565.92 : 479,176.08 = 97,921.12 : x - Step 2: Convert to fraction form
319,565.92/479,176.08 = 97,921.12/x - Step 3: Cross multiply
319,565.92x = 479,176.08 × 97,921.12 - Step 4: Simplify right side
319,565.92x = 46,921,458,430.81 - Step 5: Solve for x
x = 46,921,458,430.81/319,565.92 - Step 6: Final answer
x = 146,828.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.