Home / 346,610.56-478,260-201,422.88

Finding the Fourth Proportional to 346,610.56, 478,260 and 201,422.88

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Solution

The fourth proportional to 346,610.56, 478,260 and 201,422.88 is: 277,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,610.56 : 478,260 = 201,422.88 : x
  2. Step 2: Convert to fraction form
    346,610.56/478,260 = 201,422.88/x
  3. Step 3: Cross multiply
    346,610.56x = 478,260 × 201,422.88
  4. Step 4: Simplify right side
    346,610.56x = 96,332,506,588.80
  5. Step 5: Solve for x
    x = 96,332,506,588.80/346,610.56
  6. Step 6: Final answer
    x = 277,927.21

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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.