Finding the Fourth Proportional to 526,973.97, 790,214.91 and 189,970.23
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Solution
The fourth proportional to 526,973.97, 790,214.91 and 189,970.23 is: 284,866.65
Step by Step Solution
- Step 1: Write the proportion equation
526,973.97 : 790,214.91 = 189,970.23 : x - Step 2: Convert to fraction form
526,973.97/790,214.91 = 189,970.23/x - Step 3: Cross multiply
526,973.97x = 790,214.91 × 189,970.23 - Step 4: Simplify right side
526,973.97x = 150,117,308,202.13 - Step 5: Solve for x
x = 150,117,308,202.13/526,973.97 - Step 6: Final answer
x = 284,866.65
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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.