Finding the Fourth Proportional to 414,484.74, 571,986.09 and 235,636.74
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Solution
The fourth proportional to 414,484.74, 571,986.09 and 235,636.74 is: 325,177.08
Step by Step Solution
- Step 1: Write the proportion equation
414,484.74 : 571,986.09 = 235,636.74 : x - Step 2: Convert to fraction form
414,484.74/571,986.09 = 235,636.74/x - Step 3: Cross multiply
414,484.74x = 571,986.09 × 235,636.74 - Step 4: Simplify right side
414,484.74x = 134,780,937,572.95 - Step 5: Solve for x
x = 134,780,937,572.95/414,484.74 - Step 6: Final answer
x = 325,177.08
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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.