Home / 347,938.20-480,146.55-204,707.46

Finding the Fourth Proportional to 347,938.20, 480,146.55 and 204,707.46

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Solution

The fourth proportional to 347,938.20, 480,146.55 and 204,707.46 is: 282,491.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,938.20 : 480,146.55 = 204,707.46 : x
  2. Step 2: Convert to fraction form
    347,938.20/480,146.55 = 204,707.46/x
  3. Step 3: Cross multiply
    347,938.20x = 480,146.55 × 204,707.46
  4. Step 4: Simplify right side
    347,938.20x = 98,289,580,678.26
  5. Step 5: Solve for x
    x = 98,289,580,678.26/347,938.20
  6. Step 6: Final answer
    x = 282,491.49

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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.