Finding the Fourth Proportional to 292,267.80, 403,334.90 and 164,918.80
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Solution
The fourth proportional to 292,267.80, 403,334.90 and 164,918.80 is: 227,590.95
Step by Step Solution
- Step 1: Write the proportion equation
292,267.80 : 403,334.90 = 164,918.80 : x - Step 2: Convert to fraction form
292,267.80/403,334.90 = 164,918.80/x - Step 3: Cross multiply
292,267.80x = 403,334.90 × 164,918.80 - Step 4: Simplify right side
292,267.80x = 66,517,507,706.12 - Step 5: Solve for x
x = 66,517,507,706.12/292,267.80 - Step 6: Final answer
x = 227,590.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.