Finding the Fourth Proportional to 434,865.84, 600,107.64 and 253,683.12
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Solution
The fourth proportional to 434,865.84, 600,107.64 and 253,683.12 is: 350,078.49
Step by Step Solution
- Step 1: Write the proportion equation
434,865.84 : 600,107.64 = 253,683.12 : x - Step 2: Convert to fraction form
434,865.84/600,107.64 = 253,683.12/x - Step 3: Cross multiply
434,865.84x = 600,107.64 × 253,683.12 - Step 4: Simplify right side
434,865.84x = 152,237,178,451.04 - Step 5: Solve for x
x = 152,237,178,451.04/434,865.84 - Step 6: Final answer
x = 350,078.49
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1.5x scale
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.