Finding the Fourth Proportional to 293,688.81, 440,317.74 and 93,894.21
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Solution
The fourth proportional to 293,688.81, 440,317.74 and 93,894.21 is: 140,772.43
Step by Step Solution
- Step 1: Write the proportion equation
293,688.81 : 440,317.74 = 93,894.21 : x - Step 2: Convert to fraction form
293,688.81/440,317.74 = 93,894.21/x - Step 3: Cross multiply
293,688.81x = 440,317.74 × 93,894.21 - Step 4: Simplify right side
293,688.81x = 41,343,286,346.29 - Step 5: Solve for x
x = 41,343,286,346.29/293,688.81 - Step 6: Final answer
x = 140,772.43
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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.