Finding the Fourth Proportional to 473,388.99, 653,279.21 and 258,529.06
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Solution
The fourth proportional to 473,388.99, 653,279.21 and 258,529.06 is: 356,771.42
Step by Step Solution
- Step 1: Write the proportion equation
473,388.99 : 653,279.21 = 258,529.06 : x - Step 2: Convert to fraction form
473,388.99/653,279.21 = 258,529.06/x - Step 3: Cross multiply
473,388.99x = 653,279.21 × 258,529.06 - Step 4: Simplify right side
473,388.99x = 168,891,660,078.84 - Step 5: Solve for x
x = 168,891,660,078.84/473,388.99 - Step 6: Final answer
x = 356,771.42
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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.