Home / 280,501.07-420,748.56-224,076.47

Finding the Fourth Proportional to 280,501.07, 420,748.56 and 224,076.47

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Solution

The fourth proportional to 280,501.07, 420,748.56 and 224,076.47 is: 336,112.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,501.07 : 420,748.56 = 224,076.47 : x
  2. Step 2: Convert to fraction form
    280,501.07/420,748.56 = 224,076.47/x
  3. Step 3: Cross multiply
    280,501.07x = 420,748.56 × 224,076.47
  4. Step 4: Simplify right side
    280,501.07x = 94,279,849,978.64
  5. Step 5: Solve for x
    x = 94,279,849,978.64/280,501.07
  6. Step 6: Final answer
    x = 336,112.27

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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.