Home / 428,130.75-590,820.48-237,156.51

Finding the Fourth Proportional to 428,130.75, 590,820.48 and 237,156.51

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Solution

The fourth proportional to 428,130.75, 590,820.48 and 237,156.51 is: 327,276.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,130.75 : 590,820.48 = 237,156.51 : x
  2. Step 2: Convert to fraction form
    428,130.75/590,820.48 = 237,156.51/x
  3. Step 3: Cross multiply
    428,130.75x = 590,820.48 × 237,156.51
  4. Step 4: Simplify right side
    428,130.75x = 140,116,923,073.33
  5. Step 5: Solve for x
    x = 140,116,923,073.33/428,130.75
  6. Step 6: Final answer
    x = 327,276.01

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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.