Home / 328,831.05-493,246.58-216,637.95

Finding the Fourth Proportional to 328,831.05, 493,246.58 and 216,637.95

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Solution

The fourth proportional to 328,831.05, 493,246.58 and 216,637.95 is: 324,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,831.05 : 493,246.58 = 216,637.95 : x
  2. Step 2: Convert to fraction form
    328,831.05/493,246.58 = 216,637.95/x
  3. Step 3: Cross multiply
    328,831.05x = 493,246.58 × 216,637.95
  4. Step 4: Simplify right side
    328,831.05x = 106,855,926,852.52
  5. Step 5: Solve for x
    x = 106,855,926,852.52/328,831.05
  6. Step 6: Final answer
    x = 324,956.93

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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.