Finding the Fourth Proportional to 423,553.68, 584,390.16 and 251,328.65
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Solution
The fourth proportional to 423,553.68, 584,390.16 and 251,328.65 is: 346,765.93
Step by Step Solution
- Step 1: Write the proportion equation
423,553.68 : 584,390.16 = 251,328.65 : x - Step 2: Convert to fraction form
423,553.68/584,390.16 = 251,328.65/x - Step 3: Cross multiply
423,553.68x = 584,390.16 × 251,328.65 - Step 4: Simplify right side
423,553.68x = 146,873,987,064.13 - Step 5: Solve for x
x = 146,873,987,064.13/423,553.68 - Step 6: Final answer
x = 346,765.93
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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.