Finding the Fourth Proportional to 292,117.87, 403,189.92 and 171,298.08
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Solution
The fourth proportional to 292,117.87, 403,189.92 and 171,298.08 is: 236,430.79
Step by Step Solution
- Step 1: Write the proportion equation
292,117.87 : 403,189.92 = 171,298.08 : x - Step 2: Convert to fraction form
292,117.87/403,189.92 = 171,298.08/x - Step 3: Cross multiply
292,117.87x = 403,189.92 × 171,298.08 - Step 4: Simplify right side
292,117.87x = 69,065,659,171.35 - Step 5: Solve for x
x = 69,065,659,171.35/292,117.87 - Step 6: Final answer
x = 236,430.79
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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.