Finding the Fourth Proportional to 177,852.90, 266,987.70 and 140,438.19
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Solution
The fourth proportional to 177,852.90, 266,987.70 and 140,438.19 is: 210,821.80
Step by Step Solution
- Step 1: Write the proportion equation
177,852.90 : 266,987.70 = 140,438.19 : x - Step 2: Convert to fraction form
177,852.90/266,987.70 = 140,438.19/x - Step 3: Cross multiply
177,852.90x = 266,987.70 × 140,438.19 - Step 4: Simplify right side
177,852.90x = 37,495,269,340.26 - Step 5: Solve for x
x = 37,495,269,340.26/177,852.90 - Step 6: Final answer
x = 210,821.80
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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.