Finding the Fourth Proportional to 442,164.08, 610,013.22 and 272,102.96
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Solution
The fourth proportional to 442,164.08, 610,013.22 and 272,102.96 is: 375,395.49
Step by Step Solution
- Step 1: Write the proportion equation
442,164.08 : 610,013.22 = 272,102.96 : x - Step 2: Convert to fraction form
442,164.08/610,013.22 = 272,102.96/x - Step 3: Cross multiply
442,164.08x = 610,013.22 × 272,102.96 - Step 4: Simplify right side
442,164.08x = 165,986,402,801.13 - Step 5: Solve for x
x = 165,986,402,801.13/442,164.08 - Step 6: Final answer
x = 375,395.49
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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.