Home / 712,133.28-1,068,172.08-179,647.68

Finding the Fourth Proportional to 712,133.28, 1,068,172.08 and 179,647.68

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Solution

The fourth proportional to 712,133.28, 1,068,172.08 and 179,647.68 is: 269,464.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,133.28 : 1,068,172.08 = 179,647.68 : x
  2. Step 2: Convert to fraction form
    712,133.28/1,068,172.08 = 179,647.68/x
  3. Step 3: Cross multiply
    712,133.28x = 1,068,172.08 × 179,647.68
  4. Step 4: Simplify right side
    712,133.28x = 191,894,636,012.77
  5. Step 5: Solve for x
    x = 191,894,636,012.77/712,133.28
  6. Step 6: Final answer
    x = 269,464.50

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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.