Home / 428,139.36-590,832.90-237,152.16

Finding the Fourth Proportional to 428,139.36, 590,832.90 and 237,152.16

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Solution

The fourth proportional to 428,139.36, 590,832.90 and 237,152.16 is: 327,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,139.36 : 590,832.90 = 237,152.16 : x
  2. Step 2: Convert to fraction form
    428,139.36/590,832.90 = 237,152.16/x
  3. Step 3: Cross multiply
    428,139.36x = 590,832.90 × 237,152.16
  4. Step 4: Simplify right side
    428,139.36x = 140,117,298,434.06
  5. Step 5: Solve for x
    x = 140,117,298,434.06/428,139.36
  6. Step 6: Final answer
    x = 327,270.30

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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.