Finding the Fourth Proportional to 423,381.74, 584,254.82 and 232,394.94
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Solution
The fourth proportional to 423,381.74, 584,254.82 and 232,394.94 is: 320,698.45
Step by Step Solution
- Step 1: Write the proportion equation
423,381.74 : 584,254.82 = 232,394.94 : x - Step 2: Convert to fraction form
423,381.74/584,254.82 = 232,394.94/x - Step 3: Cross multiply
423,381.74x = 584,254.82 × 232,394.94 - Step 4: Simplify right side
423,381.74x = 135,777,864,419.60 - Step 5: Solve for x
x = 135,777,864,419.60/423,381.74 - Step 6: Final answer
x = 320,698.45
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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.