Finding the Fourth Proportional to 292,402.80, 438,604.20 and 167,986.80
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Solution
The fourth proportional to 292,402.80, 438,604.20 and 167,986.80 is: 251,980.20
Step by Step Solution
- Step 1: Write the proportion equation
292,402.80 : 438,604.20 = 167,986.80 : x - Step 2: Convert to fraction form
292,402.80/438,604.20 = 167,986.80/x - Step 3: Cross multiply
292,402.80x = 438,604.20 × 167,986.80 - Step 4: Simplify right side
292,402.80x = 73,679,716,024.56 - Step 5: Solve for x
x = 73,679,716,024.56/292,402.80 - Step 6: Final answer
x = 251,980.20
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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.