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Finding the Fourth Proportional to 424,303.33, 636,474.93 and 140,018.73

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Solution

The fourth proportional to 424,303.33, 636,474.93 and 140,018.73 is: 210,034.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,303.33 : 636,474.93 = 140,018.73 : x
  2. Step 2: Convert to fraction form
    424,303.33/636,474.93 = 140,018.73/x
  3. Step 3: Cross multiply
    424,303.33x = 636,474.93 × 140,018.73
  4. Step 4: Simplify right side
    424,303.33x = 89,118,408,463.59
  5. Step 5: Solve for x
    x = 89,118,408,463.59/424,303.33
  6. Step 6: Final answer
    x = 210,034.67

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1.5x scale

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.