Finding the Fourth Proportional to 531,609.81, 733,639.93 and 302,176.70
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Solution
The fourth proportional to 531,609.81, 733,639.93 and 302,176.70 is: 417,014.30
Step by Step Solution
- Step 1: Write the proportion equation
531,609.81 : 733,639.93 = 302,176.70 : x - Step 2: Convert to fraction form
531,609.81/733,639.93 = 302,176.70/x - Step 3: Cross multiply
531,609.81x = 733,639.93 × 302,176.70 - Step 4: Simplify right side
531,609.81x = 221,688,894,114.29 - Step 5: Solve for x
x = 221,688,894,114.29/531,609.81 - Step 6: Final answer
x = 417,014.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.