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Finding the Fourth Proportional to 507,551.08, 700,390.14 and 281,180.20

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Solution

The fourth proportional to 507,551.08, 700,390.14 and 281,180.20 is: 388,011.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,551.08 : 700,390.14 = 281,180.20 : x
  2. Step 2: Convert to fraction form
    507,551.08/700,390.14 = 281,180.20/x
  3. Step 3: Cross multiply
    507,551.08x = 700,390.14 × 281,180.20
  4. Step 4: Simplify right side
    507,551.08x = 196,935,839,643.23
  5. Step 5: Solve for x
    x = 196,935,839,643.23/507,551.08
  6. Step 6: Final answer
    x = 388,011.86

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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.