Finding the Fourth Proportional to 423,356.76, 584,239.23 and 232,387.92
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Solution
The fourth proportional to 423,356.76, 584,239.23 and 232,387.92 is: 320,699.12
Step by Step Solution
- Step 1: Write the proportion equation
423,356.76 : 584,239.23 = 232,387.92 : x - Step 2: Convert to fraction form
423,356.76/584,239.23 = 232,387.92/x - Step 3: Cross multiply
423,356.76x = 584,239.23 × 232,387.92 - Step 4: Simplify right side
423,356.76x = 135,770,139,442.10 - Step 5: Solve for x
x = 135,770,139,442.10/423,356.76 - Step 6: Final answer
x = 320,699.12
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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.