Finding the Fourth Proportional to 370,811.70, 556,217.55 and 370,811.70
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Solution
The fourth proportional to 370,811.70, 556,217.55 and 370,811.70 is: 556,217.55
Step by Step Solution
- Step 1: Write the proportion equation
370,811.70 : 556,217.55 = 370,811.70 : x - Step 2: Convert to fraction form
370,811.70/556,217.55 = 370,811.70/x - Step 3: Cross multiply
370,811.70x = 556,217.55 × 370,811.70 - Step 4: Simplify right side
370,811.70x = 206,251,975,285.34 - Step 5: Solve for x
x = 206,251,975,285.34/370,811.70 - Step 6: Final answer
x = 556,217.55
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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.