Finding the Fourth Proportional to 291,739.29, 402,632.42 and 169,258.65
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Solution
The fourth proportional to 291,739.29, 402,632.42 and 169,258.65 is: 233,595.62
Step by Step Solution
- Step 1: Write the proportion equation
291,739.29 : 402,632.42 = 169,258.65 : x - Step 2: Convert to fraction form
291,739.29/402,632.42 = 169,258.65/x - Step 3: Cross multiply
291,739.29x = 402,632.42 × 169,258.65 - Step 4: Simplify right side
291,739.29x = 68,149,019,009.14 - Step 5: Solve for x
x = 68,149,019,009.14/291,739.29 - Step 6: Final answer
x = 233,595.62
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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.