Finding the Fourth Proportional to 307,093.92, 423,595.68 and 211,434.48
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Solution
The fourth proportional to 307,093.92, 423,595.68 and 211,434.48 is: 291,646.06
Step by Step Solution
- Step 1: Write the proportion equation
307,093.92 : 423,595.68 = 211,434.48 : x - Step 2: Convert to fraction form
307,093.92/423,595.68 = 211,434.48/x - Step 3: Cross multiply
307,093.92x = 423,595.68 × 211,434.48 - Step 4: Simplify right side
307,093.92x = 89,562,732,331.05 - Step 5: Solve for x
x = 89,562,732,331.05/307,093.92 - Step 6: Final answer
x = 291,646.06
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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.