Finding the Fourth Proportional to 389,277.42, 537,202.92 and 219,511.56
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Solution
The fourth proportional to 389,277.42, 537,202.92 and 219,511.56 is: 302,926.00
Step by Step Solution
- Step 1: Write the proportion equation
389,277.42 : 537,202.92 = 219,511.56 : x - Step 2: Convert to fraction form
389,277.42/537,202.92 = 219,511.56/x - Step 3: Cross multiply
389,277.42x = 537,202.92 × 219,511.56 - Step 4: Simplify right side
389,277.42x = 117,922,251,005.76 - Step 5: Solve for x
x = 117,922,251,005.76/389,277.42 - Step 6: Final answer
x = 302,926.00
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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.