Finding the Fourth Proportional to 319,509.07, 479,363.06 and 94,870.68
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Solution
The fourth proportional to 319,509.07, 479,363.06 and 94,870.68 is: 142,335.55
Step by Step Solution
- Step 1: Write the proportion equation
319,509.07 : 479,363.06 = 94,870.68 : x - Step 2: Convert to fraction form
319,509.07/479,363.06 = 94,870.68/x - Step 3: Cross multiply
319,509.07x = 479,363.06 × 94,870.68 - Step 4: Simplify right side
319,509.07x = 45,477,499,469.08 - Step 5: Solve for x
x = 45,477,499,469.08/319,509.07 - Step 6: Final answer
x = 142,335.55
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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.