Finding the Fourth Proportional to 381,237.68, 526,171.08 and 211,526.48
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Solution
The fourth proportional to 381,237.68, 526,171.08 and 211,526.48 is: 291,941.54
Step by Step Solution
- Step 1: Write the proportion equation
381,237.68 : 526,171.08 = 211,526.48 : x - Step 2: Convert to fraction form
381,237.68/526,171.08 = 211,526.48/x - Step 3: Cross multiply
381,237.68x = 526,171.08 × 211,526.48 - Step 4: Simplify right side
381,237.68x = 111,299,116,430.20 - Step 5: Solve for x
x = 111,299,116,430.20/381,237.68 - Step 6: Final answer
x = 291,941.54
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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.