Home / 312,374.10-468,501.57-152,289.35

Finding the Fourth Proportional to 312,374.10, 468,501.57 and 152,289.35

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Solution

The fourth proportional to 312,374.10, 468,501.57 and 152,289.35 is: 228,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,374.10 : 468,501.57 = 152,289.35 : x
  2. Step 2: Convert to fraction form
    312,374.10/468,501.57 = 152,289.35/x
  3. Step 3: Cross multiply
    312,374.10x = 468,501.57 × 152,289.35
  4. Step 4: Simplify right side
    312,374.10x = 71,347,798,983.65
  5. Step 5: Solve for x
    x = 71,347,798,983.65/312,374.10
  6. Step 6: Final answer
    x = 228,404.97

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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.