Finding the Fourth Proportional to 381,580.74, 526,555.08 and 211,801.50
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Solution
The fourth proportional to 381,580.74, 526,555.08 and 211,801.50 is: 292,271.45
Step by Step Solution
- Step 1: Write the proportion equation
381,580.74 : 526,555.08 = 211,801.50 : x - Step 2: Convert to fraction form
381,580.74/526,555.08 = 211,801.50/x - Step 3: Cross multiply
381,580.74x = 526,555.08 × 211,801.50 - Step 4: Simplify right side
381,580.74x = 111,525,155,776.62 - Step 5: Solve for x
x = 111,525,155,776.62/381,580.74 - Step 6: Final answer
x = 292,271.45
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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.