Finding the Fourth Proportional to 442,638.02, 610,702.00 and 261,414.09
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Solution
The fourth proportional to 442,638.02, 610,702.00 and 261,414.09 is: 360,669.66
Step by Step Solution
- Step 1: Write the proportion equation
442,638.02 : 610,702.00 = 261,414.09 : x - Step 2: Convert to fraction form
442,638.02/610,702.00 = 261,414.09/x - Step 3: Cross multiply
442,638.02x = 610,702.00 × 261,414.09 - Step 4: Simplify right side
442,638.02x = 159,646,106,937.65 - Step 5: Solve for x
x = 159,646,106,937.65/442,638.02 - Step 6: Final answer
x = 360,669.66
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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.