Home / 474,724.65-711,831.54-190,272.45

Finding the Fourth Proportional to 474,724.65, 711,831.54 and 190,272.45

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Solution

The fourth proportional to 474,724.65, 711,831.54 and 190,272.45 is: 285,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,724.65 : 711,831.54 = 190,272.45 : x
  2. Step 2: Convert to fraction form
    474,724.65/711,831.54 = 190,272.45/x
  3. Step 3: Cross multiply
    474,724.65x = 711,831.54 × 190,272.45
  4. Step 4: Simplify right side
    474,724.65x = 135,441,931,103.07
  5. Step 5: Solve for x
    x = 135,441,931,103.07/474,724.65
  6. Step 6: Final answer
    x = 285,306.30

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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.