Finding the Fourth Proportional to 513,686.13, 770,534.39 and 229,391.14
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Solution
The fourth proportional to 513,686.13, 770,534.39 and 229,391.14 is: 344,089.03
Step by Step Solution
- Step 1: Write the proportion equation
513,686.13 : 770,534.39 = 229,391.14 : x - Step 2: Convert to fraction form
513,686.13/770,534.39 = 229,391.14/x - Step 3: Cross multiply
513,686.13x = 770,534.39 × 229,391.14 - Step 4: Simplify right side
513,686.13x = 176,753,762,131.31 - Step 5: Solve for x
x = 176,753,762,131.31/513,686.13 - Step 6: Final answer
x = 344,089.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.