Home / 282,306.54-389,453.07-180,280.89

Finding the Fourth Proportional to 282,306.54, 389,453.07 and 180,280.89

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Solution

The fourth proportional to 282,306.54, 389,453.07 and 180,280.89 is: 248,704.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,306.54 : 389,453.07 = 180,280.89 : x
  2. Step 2: Convert to fraction form
    282,306.54/389,453.07 = 180,280.89/x
  3. Step 3: Cross multiply
    282,306.54x = 389,453.07 × 180,280.89
  4. Step 4: Simplify right side
    282,306.54x = 70,210,946,072.83
  5. Step 5: Solve for x
    x = 70,210,946,072.83/282,306.54
  6. Step 6: Final answer
    x = 248,704.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.