Finding the Fourth Proportional to 538,779.76, 808,173.68 and 239,179.80
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Solution
The fourth proportional to 538,779.76, 808,173.68 and 239,179.80 is: 358,771.49
Step by Step Solution
- Step 1: Write the proportion equation
538,779.76 : 808,173.68 = 239,179.80 : x - Step 2: Convert to fraction form
538,779.76/808,173.68 = 239,179.80/x - Step 3: Cross multiply
538,779.76x = 808,173.68 × 239,179.80 - Step 4: Simplify right side
538,779.76x = 193,298,819,147.66 - Step 5: Solve for x
x = 193,298,819,147.66/538,779.76 - Step 6: Final answer
x = 358,771.49
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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.