Home / 323,895.74-485,913.23-99,271.67

Finding the Fourth Proportional to 323,895.74, 485,913.23 and 99,271.67

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Solution

The fourth proportional to 323,895.74, 485,913.23 and 99,271.67 is: 148,928.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,895.74 : 485,913.23 = 99,271.67 : x
  2. Step 2: Convert to fraction form
    323,895.74/485,913.23 = 99,271.67/x
  3. Step 3: Cross multiply
    323,895.74x = 485,913.23 × 99,271.67
  4. Step 4: Simplify right side
    323,895.74x = 48,237,417,320.84
  5. Step 5: Solve for x
    x = 48,237,417,320.84/323,895.74
  6. Step 6: Final answer
    x = 148,928.84

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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.