Home / 219,316.40-328,537.20-152,831.60

Finding the Fourth Proportional to 219,316.40, 328,537.20 and 152,831.60

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Solution

The fourth proportional to 219,316.40, 328,537.20 and 152,831.60 is: 228,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,316.40 : 328,537.20 = 152,831.60 : x
  2. Step 2: Convert to fraction form
    219,316.40/328,537.20 = 152,831.60/x
  3. Step 3: Cross multiply
    219,316.40x = 328,537.20 × 152,831.60
  4. Step 4: Simplify right side
    219,316.40x = 50,210,865,935.52
  5. Step 5: Solve for x
    x = 50,210,865,935.52/219,316.40
  6. Step 6: Final answer
    x = 228,942.60

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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.