Finding the Fourth Proportional to 177,613.80, 266,420.70 and 128,041.80
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Solution
The fourth proportional to 177,613.80, 266,420.70 and 128,041.80 is: 192,062.70
Step by Step Solution
- Step 1: Write the proportion equation
177,613.80 : 266,420.70 = 128,041.80 : x - Step 2: Convert to fraction form
177,613.80/266,420.70 = 128,041.80/x - Step 3: Cross multiply
177,613.80x = 266,420.70 × 128,041.80 - Step 4: Simplify right side
177,613.80x = 34,112,985,985.26 - Step 5: Solve for x
x = 34,112,985,985.26/177,613.80 - Step 6: Final answer
x = 192,062.70
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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.