Home / 355,568.51-533,353.28-145,206.45

Finding the Fourth Proportional to 355,568.51, 533,353.28 and 145,206.45

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Solution

The fourth proportional to 355,568.51, 533,353.28 and 145,206.45 is: 217,809.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,568.51 : 533,353.28 = 145,206.45 : x
  2. Step 2: Convert to fraction form
    355,568.51/533,353.28 = 145,206.45/x
  3. Step 3: Cross multiply
    355,568.51x = 533,353.28 × 145,206.45
  4. Step 4: Simplify right side
    355,568.51x = 77,446,336,384.66
  5. Step 5: Solve for x
    x = 77,446,336,384.66/355,568.51
  6. Step 6: Final answer
    x = 217,809.89

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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.