Finding the Fourth Proportional to 645,713.47, 968,235.09 and 190,245.59
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Solution
The fourth proportional to 645,713.47, 968,235.09 and 190,245.59 is: 285,269.65
Step by Step Solution
- Step 1: Write the proportion equation
645,713.47 : 968,235.09 = 190,245.59 : x - Step 2: Convert to fraction form
645,713.47/968,235.09 = 190,245.59/x - Step 3: Cross multiply
645,713.47x = 968,235.09 × 190,245.59 - Step 4: Simplify right side
645,713.47x = 184,202,455,955.75 - Step 5: Solve for x
x = 184,202,455,955.75/645,713.47 - Step 6: Final answer
x = 285,269.65
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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.