Home / 349,390.05-524,288.28-146,971.35

Finding the Fourth Proportional to 349,390.05, 524,288.28 and 146,971.35

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Solution

The fourth proportional to 349,390.05, 524,288.28 and 146,971.35 is: 220,542.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,390.05 : 524,288.28 = 146,971.35 : x
  2. Step 2: Convert to fraction form
    349,390.05/524,288.28 = 146,971.35/x
  3. Step 3: Cross multiply
    349,390.05x = 524,288.28 × 146,971.35
  4. Step 4: Simplify right side
    349,390.05x = 77,055,356,300.78
  5. Step 5: Solve for x
    x = 77,055,356,300.78/349,390.05
  6. Step 6: Final answer
    x = 220,542.50

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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.