Finding the Fourth Proportional to 423,272.81, 584,133.32 and 232,293.08
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Solution
The fourth proportional to 423,272.81, 584,133.32 and 232,293.08 is: 320,573.69
Step by Step Solution
- Step 1: Write the proportion equation
423,272.81 : 584,133.32 = 232,293.08 : x - Step 2: Convert to fraction form
423,272.81/584,133.32 = 232,293.08/x - Step 3: Cross multiply
423,272.81x = 584,133.32 × 232,293.08 - Step 4: Simplify right side
423,272.81x = 135,690,128,033.43 - Step 5: Solve for x
x = 135,690,128,033.43/423,272.81 - Step 6: Final answer
x = 320,573.69
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1.5x scale
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.