Home / 288,814.32-433,222.70-189,602.28

Finding the Fourth Proportional to 288,814.32, 433,222.70 and 189,602.28

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Solution

The fourth proportional to 288,814.32, 433,222.70 and 189,602.28 is: 284,404.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,814.32 : 433,222.70 = 189,602.28 : x
  2. Step 2: Convert to fraction form
    288,814.32/433,222.70 = 189,602.28/x
  3. Step 3: Cross multiply
    288,814.32x = 433,222.70 × 189,602.28
  4. Step 4: Simplify right side
    288,814.32x = 82,140,010,719.74
  5. Step 5: Solve for x
    x = 82,140,010,719.74/288,814.32
  6. Step 6: Final answer
    x = 284,404.22

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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.