Finding the Fourth Proportional to 319,226.43, 478,735.45 and 105,937.05
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Solution
The fourth proportional to 319,226.43, 478,735.45 and 105,937.05 is: 158,871.00
Step by Step Solution
- Step 1: Write the proportion equation
319,226.43 : 478,735.45 = 105,937.05 : x - Step 2: Convert to fraction form
319,226.43/478,735.45 = 105,937.05/x - Step 3: Cross multiply
319,226.43x = 478,735.45 × 105,937.05 - Step 4: Simplify right side
319,226.43x = 50,715,821,303.42 - Step 5: Solve for x
x = 50,715,821,303.42/319,226.43 - Step 6: Final answer
x = 158,871.00
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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.