Finding the Fourth Proportional to 423,753.68, 584,782.80 and 232,765.40
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Solution
The fourth proportional to 423,753.68, 584,782.80 and 232,765.40 is: 321,217.75
Step by Step Solution
- Step 1: Write the proportion equation
423,753.68 : 584,782.80 = 232,765.40 : x - Step 2: Convert to fraction form
423,753.68/584,782.80 = 232,765.40/x - Step 3: Cross multiply
423,753.68x = 584,782.80 × 232,765.40 - Step 4: Simplify right side
423,753.68x = 136,117,202,355.12 - Step 5: Solve for x
x = 136,117,202,355.12/423,753.68 - Step 6: Final answer
x = 321,217.75
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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.