Finding the Fourth Proportional to 260,099.13, 390,148.70 and 63,107.13
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Solution
The fourth proportional to 260,099.13, 390,148.70 and 63,107.13 is: 94,660.70
Step by Step Solution
- Step 1: Write the proportion equation
260,099.13 : 390,148.70 = 63,107.13 : x - Step 2: Convert to fraction form
260,099.13/390,148.70 = 63,107.13/x - Step 3: Cross multiply
260,099.13x = 390,148.70 × 63,107.13 - Step 4: Simplify right side
260,099.13x = 24,621,164,730.23 - Step 5: Solve for x
x = 24,621,164,730.23/260,099.13 - Step 6: Final answer
x = 94,660.70
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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.