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Finding the Fourth Proportional to 285,362.74, 425,525.88 and 282,800.24

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Solution

The fourth proportional to 285,362.74, 425,525.88 and 282,800.24 is: 421,704.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,362.74 : 425,525.88 = 282,800.24 : x
  2. Step 2: Convert to fraction form
    285,362.74/425,525.88 = 282,800.24/x
  3. Step 3: Cross multiply
    285,362.74x = 425,525.88 × 282,800.24
  4. Step 4: Simplify right side
    285,362.74x = 120,338,817,802.08
  5. Step 5: Solve for x
    x = 120,338,817,802.08/285,362.74
  6. Step 6: Final answer
    x = 421,704.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.