Home / 288,010.10-432,533.55-209,213.30

Finding the Fourth Proportional to 288,010.10, 432,533.55 and 209,213.30

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Solution

The fourth proportional to 288,010.10, 432,533.55 and 209,213.30 is: 314,196.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,010.10 : 432,533.55 = 209,213.30 : x
  2. Step 2: Convert to fraction form
    288,010.10/432,533.55 = 209,213.30/x
  3. Step 3: Cross multiply
    288,010.10x = 432,533.55 × 209,213.30
  4. Step 4: Simplify right side
    288,010.10x = 90,491,771,356.22
  5. Step 5: Solve for x
    x = 90,491,771,356.22/288,010.10
  6. Step 6: Final answer
    x = 314,196.52

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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.