Finding the Fourth Proportional to 617,140.16, 925,710.26 and 261,905.08
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Solution
The fourth proportional to 617,140.16, 925,710.26 and 261,905.08 is: 392,857.63
Step by Step Solution
- Step 1: Write the proportion equation
617,140.16 : 925,710.26 = 261,905.08 : x - Step 2: Convert to fraction form
617,140.16/925,710.26 = 261,905.08/x - Step 3: Cross multiply
617,140.16x = 925,710.26 × 261,905.08 - Step 4: Simplify right side
617,140.16x = 242,448,219,702.12 - Step 5: Solve for x
x = 242,448,219,702.12/617,140.16 - Step 6: Final answer
x = 392,857.63
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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.