Home / 445,908.04-668,931.62-146,320.42

Finding the Fourth Proportional to 445,908.04, 668,931.62 and 146,320.42

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Solution

The fourth proportional to 445,908.04, 668,931.62 and 146,320.42 is: 219,503.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,908.04 : 668,931.62 = 146,320.42 : x
  2. Step 2: Convert to fraction form
    445,908.04/668,931.62 = 146,320.42/x
  3. Step 3: Cross multiply
    445,908.04x = 668,931.62 × 146,320.42
  4. Step 4: Simplify right side
    445,908.04x = 97,878,355,589.68
  5. Step 5: Solve for x
    x = 97,878,355,589.68/445,908.04
  6. Step 6: Final answer
    x = 219,503.46

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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.