Finding the Fourth Proportional to 513,752.36, 770,437.38 and 176,698.40
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Solution
The fourth proportional to 513,752.36, 770,437.38 and 176,698.40 is: 264,981.85
Step by Step Solution
- Step 1: Write the proportion equation
513,752.36 : 770,437.38 = 176,698.40 : x - Step 2: Convert to fraction form
513,752.36/770,437.38 = 176,698.40/x - Step 3: Cross multiply
513,752.36x = 770,437.38 × 176,698.40 - Step 4: Simplify right side
513,752.36x = 136,135,052,346.19 - Step 5: Solve for x
x = 136,135,052,346.19/513,752.36 - Step 6: Final answer
x = 264,981.85
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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.