Finding the Fourth Proportional to 524,621.76, 787,181.55 and 271,854.99
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Solution
The fourth proportional to 524,621.76, 787,181.55 and 271,854.99 is: 407,911.47
Step by Step Solution
- Step 1: Write the proportion equation
524,621.76 : 787,181.55 = 271,854.99 : x - Step 2: Convert to fraction form
524,621.76/787,181.55 = 271,854.99/x - Step 3: Cross multiply
524,621.76x = 787,181.55 × 271,854.99 - Step 4: Simplify right side
524,621.76x = 213,999,232,403.44 - Step 5: Solve for x
x = 213,999,232,403.44/524,621.76 - Step 6: Final answer
x = 407,911.47
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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.