Finding the Fourth Proportional to 292,273.21, 403,328.86 and 164,960.65
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Solution
The fourth proportional to 292,273.21, 403,328.86 and 164,960.65 is: 227,641.09
Step by Step Solution
- Step 1: Write the proportion equation
292,273.21 : 403,328.86 = 164,960.65 : x - Step 2: Convert to fraction form
292,273.21/403,328.86 = 164,960.65/x - Step 3: Cross multiply
292,273.21x = 403,328.86 × 164,960.65 - Step 4: Simplify right side
292,273.21x = 66,533,390,909.36 - Step 5: Solve for x
x = 66,533,390,909.36/292,273.21 - Step 6: Final answer
x = 227,641.09
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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.