Finding the Fourth Proportional to 423,486.63, 584,154.99 and 251,291.36
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Solution
The fourth proportional to 423,486.63, 584,154.99 and 251,291.36 is: 346,629.84
Step by Step Solution
- Step 1: Write the proportion equation
423,486.63 : 584,154.99 = 251,291.36 : x - Step 2: Convert to fraction form
423,486.63/584,154.99 = 251,291.36/x - Step 3: Cross multiply
423,486.63x = 584,154.99 × 251,291.36 - Step 4: Simplify right side
423,486.63x = 146,793,103,348.27 - Step 5: Solve for x
x = 146,793,103,348.27/423,486.63 - Step 6: Final answer
x = 346,629.84
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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.