Home / 212,102.28-317,461.14-155,927.52

Finding the Fourth Proportional to 212,102.28, 317,461.14 and 155,927.52

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Solution

The fourth proportional to 212,102.28, 317,461.14 and 155,927.52 is: 233,382.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,102.28 : 317,461.14 = 155,927.52 : x
  2. Step 2: Convert to fraction form
    212,102.28/317,461.14 = 155,927.52/x
  3. Step 3: Cross multiply
    212,102.28x = 317,461.14 × 155,927.52
  4. Step 4: Simplify right side
    212,102.28x = 49,500,928,256.57
  5. Step 5: Solve for x
    x = 49,500,928,256.57/212,102.28
  6. Step 6: Final answer
    x = 233,382.35

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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.