Home / 272,439.36-375,984.29-151,580.90

Finding the Fourth Proportional to 272,439.36, 375,984.29 and 151,580.90

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Solution

The fourth proportional to 272,439.36, 375,984.29 and 151,580.90 is: 209,191.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,439.36 : 375,984.29 = 151,580.90 : x
  2. Step 2: Convert to fraction form
    272,439.36/375,984.29 = 151,580.90/x
  3. Step 3: Cross multiply
    272,439.36x = 375,984.29 × 151,580.90
  4. Step 4: Simplify right side
    272,439.36x = 56,992,037,246.12
  5. Step 5: Solve for x
    x = 56,992,037,246.12/272,439.36
  6. Step 6: Final answer
    x = 209,191.64

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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.