Home / 280,559.60-420,841.04-93,570.56

Finding the Fourth Proportional to 280,559.60, 420,841.04 and 93,570.56

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Solution

The fourth proportional to 280,559.60, 420,841.04 and 93,570.56 is: 140,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,559.60 : 420,841.04 = 93,570.56 : x
  2. Step 2: Convert to fraction form
    280,559.60/420,841.04 = 93,570.56/x
  3. Step 3: Cross multiply
    280,559.60x = 420,841.04 × 93,570.56
  4. Step 4: Simplify right side
    280,559.60x = 39,378,331,783.78
  5. Step 5: Solve for x
    x = 39,378,331,783.78/280,559.60
  6. Step 6: Final answer
    x = 140,356.39

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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.