Home / 437,821.40-657,023.70-201,042.20

Finding the Fourth Proportional to 437,821.40, 657,023.70 and 201,042.20

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Solution

The fourth proportional to 437,821.40, 657,023.70 and 201,042.20 is: 301,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,821.40 : 657,023.70 = 201,042.20 : x
  2. Step 2: Convert to fraction form
    437,821.40/657,023.70 = 201,042.20/x
  3. Step 3: Cross multiply
    437,821.40x = 657,023.70 × 201,042.20
  4. Step 4: Simplify right side
    437,821.40x = 132,089,490,100.14
  5. Step 5: Solve for x
    x = 132,089,490,100.14/437,821.40
  6. Step 6: Final answer
    x = 301,697.20

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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.