Finding the Fourth Proportional to 380,278.08, 524,777.36 and 210,508.56
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Solution
The fourth proportional to 380,278.08, 524,777.36 and 210,508.56 is: 290,498.28
Step by Step Solution
- Step 1: Write the proportion equation
380,278.08 : 524,777.36 = 210,508.56 : x - Step 2: Convert to fraction form
380,278.08/524,777.36 = 210,508.56/x - Step 3: Cross multiply
380,278.08x = 524,777.36 × 210,508.56 - Step 4: Simplify right side
380,278.08x = 110,470,126,374.20 - Step 5: Solve for x
x = 110,470,126,374.20/380,278.08 - Step 6: Final answer
x = 290,498.28
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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.