Finding the Fourth Proportional to 211,365.70, 317,048.55 and 185,121.70
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Solution
The fourth proportional to 211,365.70, 317,048.55 and 185,121.70 is: 277,682.55
Step by Step Solution
- Step 1: Write the proportion equation
211,365.70 : 317,048.55 = 185,121.70 : x - Step 2: Convert to fraction form
211,365.70/317,048.55 = 185,121.70/x - Step 3: Cross multiply
211,365.70x = 317,048.55 × 185,121.70 - Step 4: Simplify right side
211,365.70x = 58,692,566,558.54 - Step 5: Solve for x
x = 58,692,566,558.54/211,365.70 - Step 6: Final answer
x = 277,682.55
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1.5x scale
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.