Finding the Fourth Proportional to 223,023.30, 307,773.08 and 121,048.91
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Solution
The fourth proportional to 223,023.30, 307,773.08 and 121,048.91 is: 167,047.99
Step by Step Solution
- Step 1: Write the proportion equation
223,023.30 : 307,773.08 = 121,048.91 : x - Step 2: Convert to fraction form
223,023.30/307,773.08 = 121,048.91/x - Step 3: Cross multiply
223,023.30x = 307,773.08 × 121,048.91 - Step 4: Simplify right side
223,023.30x = 37,255,593,717.23 - Step 5: Solve for x
x = 37,255,593,717.23/223,023.30 - Step 6: Final answer
x = 167,047.99
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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.