Finding the Fourth Proportional to 423,181.10, 583,990.62 and 232,195.92
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Solution
The fourth proportional to 423,181.10, 583,990.62 and 232,195.92 is: 320,430.75
Step by Step Solution
- Step 1: Write the proportion equation
423,181.10 : 583,990.62 = 232,195.92 : x - Step 2: Convert to fraction form
423,181.10/583,990.62 = 232,195.92/x - Step 3: Cross multiply
423,181.10x = 583,990.62 × 232,195.92 - Step 4: Simplify right side
423,181.10x = 135,600,239,282.27 - Step 5: Solve for x
x = 135,600,239,282.27/423,181.10 - Step 6: Final answer
x = 320,430.75
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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.