Finding the Fourth Proportional to 423,652.68, 584,643.42 and 232,664.40
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Solution
The fourth proportional to 423,652.68, 584,643.42 and 232,664.40 is: 321,078.37
Step by Step Solution
- Step 1: Write the proportion equation
423,652.68 : 584,643.42 = 232,664.40 : x - Step 2: Convert to fraction form
423,652.68/584,643.42 = 232,664.40/x - Step 3: Cross multiply
423,652.68x = 584,643.42 × 232,664.40 - Step 4: Simplify right side
423,652.68x = 136,025,710,528.25 - Step 5: Solve for x
x = 136,025,710,528.25/423,652.68 - Step 6: Final answer
x = 321,078.37
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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.