Home / 385,962.81-579,000.03-146,011.65

Finding the Fourth Proportional to 385,962.81, 579,000.03 and 146,011.65

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Solution

The fourth proportional to 385,962.81, 579,000.03 and 146,011.65 is: 219,038.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,962.81 : 579,000.03 = 146,011.65 : x
  2. Step 2: Convert to fraction form
    385,962.81/579,000.03 = 146,011.65/x
  3. Step 3: Cross multiply
    385,962.81x = 579,000.03 × 146,011.65
  4. Step 4: Simplify right side
    385,962.81x = 84,540,749,730.35
  5. Step 5: Solve for x
    x = 84,540,749,730.35/385,962.81
  6. Step 6: Final answer
    x = 219,038.59

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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.