Home / 282,000.30-423,000.45-268,878.30

Finding the Fourth Proportional to 282,000.30, 423,000.45 and 268,878.30

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Solution

The fourth proportional to 282,000.30, 423,000.45 and 268,878.30 is: 403,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,000.30 : 423,000.45 = 268,878.30 : x
  2. Step 2: Convert to fraction form
    282,000.30/423,000.45 = 268,878.30/x
  3. Step 3: Cross multiply
    282,000.30x = 423,000.45 × 268,878.30
  4. Step 4: Simplify right side
    282,000.30x = 113,735,641,895.24
  5. Step 5: Solve for x
    x = 113,735,641,895.24/282,000.30
  6. Step 6: Final answer
    x = 403,317.45

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1.5x scale

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.