Home / 288,899.30-433,283.34-139,063.07

Finding the Fourth Proportional to 288,899.30, 433,283.34 and 139,063.07

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Solution

The fourth proportional to 288,899.30, 433,283.34 and 139,063.07 is: 208,563.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,899.30 : 433,283.34 = 139,063.07 : x
  2. Step 2: Convert to fraction form
    288,899.30/433,283.34 = 139,063.07/x
  3. Step 3: Cross multiply
    288,899.30x = 433,283.34 × 139,063.07
  4. Step 4: Simplify right side
    288,899.30x = 60,253,711,440.25
  5. Step 5: Solve for x
    x = 60,253,711,440.25/288,899.30
  6. Step 6: Final answer
    x = 208,563.02

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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.