Finding the Fourth Proportional to 517,303.63, 775,988.25 and 162,331.66
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Solution
The fourth proportional to 517,303.63, 775,988.25 and 162,331.66 is: 243,507.78
Step by Step Solution
- Step 1: Write the proportion equation
517,303.63 : 775,988.25 = 162,331.66 : x - Step 2: Convert to fraction form
517,303.63/775,988.25 = 162,331.66/x - Step 3: Cross multiply
517,303.63x = 775,988.25 × 162,331.66 - Step 4: Simplify right side
517,303.63x = 125,967,461,124.24 - Step 5: Solve for x
x = 125,967,461,124.24/517,303.63 - Step 6: Final answer
x = 243,507.78
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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.