Home / 212,624.88-317,271.54-190,284.72

Finding the Fourth Proportional to 212,624.88, 317,271.54 and 190,284.72

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Solution

The fourth proportional to 212,624.88, 317,271.54 and 190,284.72 is: 283,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,624.88 : 317,271.54 = 190,284.72 : x
  2. Step 2: Convert to fraction form
    212,624.88/317,271.54 = 190,284.72/x
  3. Step 3: Cross multiply
    212,624.88x = 317,271.54 × 190,284.72
  4. Step 4: Simplify right side
    212,624.88x = 60,371,926,152.87
  5. Step 5: Solve for x
    x = 60,371,926,152.87/212,624.88
  6. Step 6: Final answer
    x = 283,936.32

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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.