Home / 280,356.48-420,528.24-93,369.60

Finding the Fourth Proportional to 280,356.48, 420,528.24 and 93,369.60

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Solution

The fourth proportional to 280,356.48, 420,528.24 and 93,369.60 is: 140,052.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,356.48 : 420,528.24 = 93,369.60 : x
  2. Step 2: Convert to fraction form
    280,356.48/420,528.24 = 93,369.60/x
  3. Step 3: Cross multiply
    280,356.48x = 420,528.24 × 93,369.60
  4. Step 4: Simplify right side
    280,356.48x = 39,264,553,557.50
  5. Step 5: Solve for x
    x = 39,264,553,557.50/280,356.48
  6. Step 6: Final answer
    x = 140,052.24

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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.