Finding the Fourth Proportional to 423,387.05, 584,008.36 and 251,183.10
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Solution
The fourth proportional to 423,387.05, 584,008.36 and 251,183.10 is: 346,475.00
Step by Step Solution
- Step 1: Write the proportion equation
423,387.05 : 584,008.36 = 251,183.10 : x - Step 2: Convert to fraction form
423,387.05/584,008.36 = 251,183.10/x - Step 3: Cross multiply
423,387.05x = 584,008.36 × 251,183.10 - Step 4: Simplify right side
423,387.05x = 146,693,028,567.74 - Step 5: Solve for x
x = 146,693,028,567.74/423,387.05 - Step 6: Final answer
x = 346,475.00
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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.