Home / 578,386.12-867,615.93-178,993.36

Finding the Fourth Proportional to 578,386.12, 867,615.93 and 178,993.36

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Solution

The fourth proportional to 578,386.12, 867,615.93 and 178,993.36 is: 268,501.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,386.12 : 867,615.93 = 178,993.36 : x
  2. Step 2: Convert to fraction form
    578,386.12/867,615.93 = 178,993.36/x
  3. Step 3: Cross multiply
    578,386.12x = 867,615.93 × 178,993.36
  4. Step 4: Simplify right side
    578,386.12x = 155,297,490,500.23
  5. Step 5: Solve for x
    x = 155,297,490,500.23/578,386.12
  6. Step 6: Final answer
    x = 268,501.41

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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.