Finding the Fourth Proportional to 358,489.60, 537,604.80 and 180,937.60
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Solution
The fourth proportional to 358,489.60, 537,604.80 and 180,937.60 is: 271,340.99
Step by Step Solution
- Step 1: Write the proportion equation
358,489.60 : 537,604.80 = 180,937.60 : x - Step 2: Convert to fraction form
358,489.60/537,604.80 = 180,937.60/x - Step 3: Cross multiply
358,489.60x = 537,604.80 × 180,937.60 - Step 4: Simplify right side
358,489.60x = 97,272,922,260.48 - Step 5: Solve for x
x = 97,272,922,260.48/358,489.60 - Step 6: Final answer
x = 271,340.99
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1.5x scale
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.