Home / 219,931.10-328,532.06-159,479.69

Finding the Fourth Proportional to 219,931.10, 328,532.06 and 159,479.69

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Solution

The fourth proportional to 219,931.10, 328,532.06 and 159,479.69 is: 238,230.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,931.10 : 328,532.06 = 159,479.69 : x
  2. Step 2: Convert to fraction form
    219,931.10/328,532.06 = 159,479.69/x
  3. Step 3: Cross multiply
    219,931.10x = 328,532.06 × 159,479.69
  4. Step 4: Simplify right side
    219,931.10x = 52,394,191,687.89
  5. Step 5: Solve for x
    x = 52,394,191,687.89/219,931.10
  6. Step 6: Final answer
    x = 238,230.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.