Finding the Fourth Proportional to 423,866.40, 584,945.28 and 232,867.68
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Solution
The fourth proportional to 423,866.40, 584,945.28 and 232,867.68 is: 321,362.70
Step by Step Solution
- Step 1: Write the proportion equation
423,866.40 : 584,945.28 = 232,867.68 : x - Step 2: Convert to fraction form
423,866.40/584,945.28 = 232,867.68/x - Step 3: Cross multiply
423,866.40x = 584,945.28 × 232,867.68 - Step 4: Simplify right side
423,866.40x = 136,214,850,280.55 - Step 5: Solve for x
x = 136,214,850,280.55/423,866.40 - Step 6: Final answer
x = 321,362.70
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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.