Finding the Fourth Proportional to 538,779.75, 808,173.68 and 239,179.79
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Solution
The fourth proportional to 538,779.75, 808,173.68 and 239,179.79 is: 358,771.48
Step by Step Solution
- Step 1: Write the proportion equation
538,779.75 : 808,173.68 = 239,179.79 : x - Step 2: Convert to fraction form
538,779.75/808,173.68 = 239,179.79/x - Step 3: Cross multiply
538,779.75x = 808,173.68 × 239,179.79 - Step 4: Simplify right side
538,779.75x = 193,298,805,829.16 - Step 5: Solve for x
x = 193,298,805,829.16/538,779.75 - Step 6: Final answer
x = 358,771.48
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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.