Home / 393,011.04-589,096.08-203,280.40

Finding the Fourth Proportional to 393,011.04, 589,096.08 and 203,280.40

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Solution

The fourth proportional to 393,011.04, 589,096.08 and 203,280.40 is: 304,703.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,011.04 : 589,096.08 = 203,280.40 : x
  2. Step 2: Convert to fraction form
    393,011.04/589,096.08 = 203,280.40/x
  3. Step 3: Cross multiply
    393,011.04x = 589,096.08 × 203,280.40
  4. Step 4: Simplify right side
    393,011.04x = 119,751,686,780.83
  5. Step 5: Solve for x
    x = 119,751,686,780.83/393,011.04
  6. Step 6: Final answer
    x = 304,703.11

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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.